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How do you find the average of rows and columns in a 2d array in java?
You add up all the array elements, then divide by the number of elements. You can use a nested for() loop in Java; inside the inner for() loop, you can both increase a counter (to count how many elements there are), and add to a "sum" variable.
How do you make a BINGO card using Java 3.0 that when you run again the number in the bingo card will not be seen again..it would be in random?
I don't know about Java 3.0 but with the current version of Java 5.0 The Random class could be used or the Math.random() method (which really uses the Random class). The way I would approach this after getting the random number generator down is to make a class to be the Bingo Card, perhaps implemented with an instance of a 2D Array (an Array of Arrays) to hold each number, perhaps a 2D array to hold whether each box is stamped, and a method to check whether I have a bingo. If you have questions about 2D Arrays and how to manipulate them check out the link below.
How does one initialize a byte array in Java?
One can get information about how to initialize a byte array in java on the website stackoverflow dot com. That website can learn one a lot about java.
How do you swap rows in 2 dimensional array in Java?
[]temp = array[1] array[2]=array[1] array[1]=[]temp
Does java array have boundary check?
yes
What are benefits of array in java?
array example in java
How do you find the average of rows and columns in a 2d array in java?
You add up all the array elements, then divide by the number of elements. You can use a nested for() loop in Java; inside the inner for() loop, you can both increase a counter (to count how many elements there are), and add to a "sum" variable.
Difference between 1D array and 2D arrays?
1d array contains single row and multiple columns and 2d array contains multiple row and multiple columns. 2d array is a collection of 1d array placed one below another,while 1d array is simple a collection of elements.
How do you make a BINGO card using Java 3.0 that when you run again the number in the bingo card will not be seen again..it would be in random?
I don't know about Java 3.0 but with the current version of Java 5.0 The Random class could be used or the Math.random() method (which really uses the Random class). The way I would approach this after getting the random number generator down is to make a class to be the Bingo Card, perhaps implemented with an instance of a 2D Array (an Array of Arrays) to hold each number, perhaps a 2D array to hold whether each box is stamped, and a method to check whether I have a bingo. If you have questions about 2D Arrays and how to manipulate them check out the link below.
Flow chart of multiplication of 2d array?
algorithm & flowchrt of 2d matrices
Prog to display array element?
Java solutionFortunately, Java has a number of useful functions in the java.util.Arrays class for us.A call to...System.out.println(java.util.Arrays.toString(array));...will print out any array.
How does one initialize a byte array in Java?
One can get information about how to initialize a byte array in java on the website stackoverflow dot com. That website can learn one a lot about java.
How do you swap rows in 2 dimensional array in Java?
[]temp = array[1] array[2]=array[1] array[1]=[]temp
Is there any overhead issues if you make a 2D array arr28 rather than making a 1D array arr16 of size 16 Any memory issues or execution differences between the two?
2D array of size 2x8 and 1D array of size 16
Does java array have boundary check?
yes
What is the most efficient way to find the longest palindrome subsequence in Java?
One efficient way to find the longest palindrome subsequence in Java is by using dynamic programming. This involves creating a 2D array to store the lengths of palindrome subsequences for different substrings of the input string. By iterating through the string and filling in the array based on the palindrome properties, you can determine the longest palindrome subsequence.
What is the Java program for sorting an array?
Java has a very efficient built in implementation of quick sort. You can use it on any array of primitives or Comparable Objects by invoking Arrays.sort(<array>) See related link.
