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How do you set button size in GridLayout java?
You don't. GridLayout is one of the layout managers that completely ignores all .setSize and .setPreferredSize method calls. If you want to set the size of buttons in a GridLayout, you should add each button to a JPanel, and add the JPanels to the Container with a GridLayout. This way you can use, for example, a FlowLayout on the JPanel and use a button.setPreferredSize method call to try to keep the buttons a particular size.
How do you add items in GridLayout in Java?
You don't actually add items to a LayoutManager object. You should set the layout of the Container you want to add your Components to and the GridLayout will put them where they need to be. Container myContainer = new Container(); int numRows = 3; int numCols = 2; GridLayout myLayoutManager = new GridLayout(numRows, numCols); myContainer.setLayout(myLayoutManager); // Add some JButtons to the container... myContainer.add(new JButtons ("1")); myContainer.add(new JButtons ("2")); myContainer.add(new JButtons ("3")); myContainer.add(new JButtons ("4")); myContainer.add(new JButtons ("5")); myContainer.add(new JButtons ("6")); Your final component will look something like the following: | 1 | 2 | | 3 | 4 | | 5 | 6 |
What are different types of layout manager available in java awt?
A layout manager is an object that is used to organize components in a container.And it is an interface in the java class libraries that describes how a container and a layout manager communicate. There are 5 main Layouts in java :------ 1. FlowLayout 2. BorderLayout 3. CardLayout 4. GridLayout 5. GridbagLayout
What is the function of a layoutmanager in java?
The function of a layout manager is to help the java programmer with aligning and positioning components inside the AWT or Java Swing components like a Frame or a Panel. Without the layout managers the programmer will have to position these components one by one manually which is very difficult and may also result in poor layout response when the user re-sizes the UI window. Some of the commonly used layout managers are: a. BorderLayout b. GridLayout c. GridBagLayout d. Etc
Java program to design registration form using awt controls?
import java.awt.*;import java.awt.event.*;public class DataEntry {public static void main(String[] args) {Frame frm=new Frame("DataEntry frame");Label lbl = new Label("Please fill this blank:");frm.add(lbl);frm.setSize(350,200);frm.setVisible(true);frm.addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){System.exit(0);}});Panel p = new Panel();Panel p1 = new Panel();Label jFirstName = new Label("First Name");TextField lFirstName = new TextField(20);Label jLastName =new Label("Last Name");TextField lLastName=new TextField(20);p.setLayout(new GridLayout(3,1));p.add(jFirstName);p.add(lFirstName);p.add(jLastName);p.add(lLastName);Button Submit=new Button("Submit");p.add(Submit);p1.add(p);frm.add(p1,BorderLayout.NORTH);}}
How do you set button size in GridLayout java?
You don't. GridLayout is one of the layout managers that completely ignores all .setSize and .setPreferredSize method calls. If you want to set the size of buttons in a GridLayout, you should add each button to a JPanel, and add the JPanels to the Container with a GridLayout. This way you can use, for example, a FlowLayout on the JPanel and use a button.setPreferredSize method call to try to keep the buttons a particular size.
What is layout and types of layout?
layout is how u are going to set your things out
How do you add items in GridLayout in Java?
You don't actually add items to a LayoutManager object. You should set the layout of the Container you want to add your Components to and the GridLayout will put them where they need to be. Container myContainer = new Container(); int numRows = 3; int numCols = 2; GridLayout myLayoutManager = new GridLayout(numRows, numCols); myContainer.setLayout(myLayoutManager); // Add some JButtons to the container... myContainer.add(new JButtons ("1")); myContainer.add(new JButtons ("2")); myContainer.add(new JButtons ("3")); myContainer.add(new JButtons ("4")); myContainer.add(new JButtons ("5")); myContainer.add(new JButtons ("6")); Your final component will look something like the following: | 1 | 2 | | 3 | 4 | | 5 | 6 |
What are different types of layout manager available in java awt?
A layout manager is an object that is used to organize components in a container.And it is an interface in the java class libraries that describes how a container and a layout manager communicate. There are 5 main Layouts in java :------ 1. FlowLayout 2. BorderLayout 3. CardLayout 4. GridLayout 5. GridbagLayout
How do you make login page with java in frame?
To create a login page in Java using a JFrame, you can utilize the Swing library. First, create a new JFrame and set its layout to a suitable manager, like GridLayout or FlowLayout. Add components such as JTextFields for username and password, JLabels for prompts, and a JButton for submission. Implement an ActionListener for the button to handle the login logic, validating user input accordingly.
How do you set bound to tab pane in java swing?
import java.awt.*; import javax.swing.*; public class SixChoicePanel extends JPanel { public SixChoicePanel(String title, String[] buttonLabels) { super(new GridLayout(3, 2)); setBackground(Color.lightGray); setBorder(BorderFactory.createTitledBorder(title));ButtonGroup group = new ButtonGroup(); JRadioButton option; int halfLength = buttonLabels.length/2; // Assumes even length for(int i=0; i
How do you move label control and other controls in asp.net 2008?
It was MS_POSITIONING="GridLayout" in the body tag. But this is removed since Visual Studio 2005. You can imitate this result by doing the following: Tools - Options - HTML Designer - CSS Positioning - Positioning Options, and setting it to absolute positioned. Visual Studio 2008: Tools - Options - Html Designer - CSS Styling - Change positioning to absolute for controls added using Toolbox, paste or drag and drop.
What is the function of a layoutmanager in java?
The function of a layout manager is to help the java programmer with aligning and positioning components inside the AWT or Java Swing components like a Frame or a Panel. Without the layout managers the programmer will have to position these components one by one manually which is very difficult and may also result in poor layout response when the user re-sizes the UI window. Some of the commonly used layout managers are: a. BorderLayout b. GridLayout c. GridBagLayout d. Etc
Java program to design registration form using awt controls?
import java.awt.*;import java.awt.event.*;public class DataEntry {public static void main(String[] args) {Frame frm=new Frame("DataEntry frame");Label lbl = new Label("Please fill this blank:");frm.add(lbl);frm.setSize(350,200);frm.setVisible(true);frm.addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){System.exit(0);}});Panel p = new Panel();Panel p1 = new Panel();Label jFirstName = new Label("First Name");TextField lFirstName = new TextField(20);Label jLastName =new Label("Last Name");TextField lLastName=new TextField(20);p.setLayout(new GridLayout(3,1));p.add(jFirstName);p.add(lFirstName);p.add(jLastName);p.add(lLastName);Button Submit=new Button("Submit");p.add(Submit);p1.add(p);frm.add(p1,BorderLayout.NORTH);}}
How make calculator in java applet?
import java.awt.*; import java.awt.event.*; import java.applet.*; /* */ public classCal extends Applet implements ActionListener { String msg=" "; int v1,v2,result; TextField t1; Button b[]=new Button[10]; Button add,sub,mul,div,clear,mod,EQ; char OP; public void init() { Color k=new Color(120,89,90); setBackground(k); t1=newTextField(10); GridLayout gl=new GridLayout(4,5); setLayout(gl); for(int i=0;i
How do you do fcfs program in easy method using java?
import javax.swing.*; import java.awt.*; import java.awt.event.*; class fcfs extends JFrame implements ActionListener { JButton jb[] = new JButton[3]; JTextField jt1[],jt2[]; JLabel jl[],jl1,jl2,jl3; JPanel jp,jp1; Container con; int k,p; String str[] = {"SUBMIT","RESET","EXIT"}; String str1[] = {"Process"," AT","ST","WT","FT","TAT","NTAT"}; public fcfs() { super("fcfs scheduling algoritham"); con = getContentPane(); k= Integer.parseInt(JOptionPane.showInputDialog("Enter number of process")); jl1 = new JLabel("Process"); jl2 = new JLabel("Arival Time"); jl3 = new JLabel("Service Time"); jl = new JLabel[k]; jt1 = new JTextField[k]; jt2 = new JTextField[k]; for(int i=0;i<k;i++) { jl[i] = new JLabel("process"+(i+1)); jt1[i] = new JTextField(10); jt2[i] = new JTextField(10); } for(int i=0;i<3;i++) { jb[i] = new JButton(str[i]); } con.setLayout(new GridLayout(k+2,3)); con.add(jl1); con.add(jl2); con.add(jl3); int l=0; for(int i=0;i<k;i++) { con.add(jl[l]); con.add(jt1[l]); con.add(jt2[l]); l++; } l=0; for(int i=0;i<3;i++) { con.add(jb[l]); jb[l].addActionListener(this); l++; } }//end of constructor public void actionPerformed(ActionEvent ae) { int FT[] = new int[k]; int WT[] = new int[k]; int TAT[] = new int[k]; float NTAT[] = new float[k]; float sum=0; float avg; JPanel main = new JPanel(); main.setLayout(new BorderLayout()); jp = new JPanel(); jp1 = new JPanel(); jp.setLayout(new GridLayout(k+1,7)); jp1.setLayout(new FlowLayout()); if(ae.getSource() jb[1]) { setVisible(false); fcfs window = new fcfs(); window.setSize(400,300); window.setVisible(true); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } }//END ACTION PERFORMED public static void main(String[] args) { fcfs window = new fcfs(); window.setSize(400,300); window.setVisible(true); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); }//end main }//end class
To Write program in Java to create applets to Create a color palette with matrix of buttons using applet viewer?
/* <applet code=palette height=600 width=600> </applet> */ import java.awt.*; import java.awt.event.*; import java.applet.*; public class palette extends Applet implements ActionListener,ItemListener { Button[] colors; Checkbox foreground,background; TextArea workarea; CheckboxGroup cbg; Panel buttonpanel,checkpanel,palettepanel; String colour; public void init() { buttonpanel=new Panel(); buttonpanel.setLayout(new GridLayout(3,3)); colors=new Button[9]; colors[0]=new Button("RED"); colors[1]=new Button("GREEN"); colors[2]=new Button("BLUE"); colors[3]=new Button("CYAN"); colors[4]=new Button("ORANGE"); colors[5]=new Button("WHITE"); colors[6]=new Button("BLACK"); colors[7]=new Button("YELLOW"); colors[8]=new Button("PINK"); for(int i=0;i<9;i++) { colors[i].addActionListener(this); buttonpanel.add(colors[i]); } checkpanel=new Panel(); checkpanel.setLayout(new FlowLayout()); cbg=new CheckboxGroup(); foreground=new Checkbox("ForeGround",cbg,true); background=new Checkbox("BackGround",cbg,false); foreground.addItemListener(this); background.addItemListener(this); checkpanel.add(foreground); checkpanel.add(background); workarea=new TextArea(8,40); workarea.setFont(new Font("Garamond",Font.BOLD,20)); palettepanel=new Panel(); palettepanel.setLayout(new BorderLayout()); palettepanel.add(workarea,BorderLayout.CENTER); palettepanel.add(checkpanel,BorderLayout.EAST); palettepanel.add(buttonpanel,BorderLayout.SOUTH); add(palettepanel); } public void itemStateChanged(ItemEvent ie) { } public void actionPerformed(ActionEvent ae) { colour=ae.getActionCommand(); if(foreground.getState()==true) workarea.setForeground(getColour()); if(background.getState()==true) workarea.setBackground(getColour()); } public Color getColour() { Color mycolor=null; if(colour.equals("RED")) mycolor=Color.red; if(colour.equals("GREEN")) mycolor=Color.green; if(colour.equals("BLUE")) mycolor=Color.blue; if(colour.equals("CYAN")) mycolor=Color.cyan; if(colour.equals("ORANGE")) mycolor=Color.orange; if(colour.equals("WHITE")) mycolor=Color.white; if(colour.equals("BLACK")) mycolor=Color.black; if(colour.equals("YELLOW")) mycolor=Color.yellow; if(colour.equals("PINK")) mycolor=Color.pink; return mycolor; } }
