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How do you write and invoke methods that take parameters?
// This method will accept an integer, double, and string as parameters // To invoke it, simply call testMethod(0, 1.1, "hello"); // (or whatever values you wish to substitute in) void testMethod(int param0, double param1, String param2) { System.out.println("Accepting parameter: " + param0); System.out.println("Accepting parameter: " + param1); System.out.println("Accepting parameter: " + param2); }
What are the functions of Atoi itoa and gcvt in C language?
All these are conversion functions - atoi()-string to integer.itoa()-integer to string.gcvt()-double to string
Is String class a final class?
The core classes in the java.lang.* package (e.g. String, Integer, double, Boolean, etc.) are all declared final.
Write the prototype of a function' divide' that takes two integer values and returns the quotient of double type.?
Your question isn't a question, but here is the answer: double divide (int p, int q);
What is the default data type for Visual Basic?
A variable has a data type such as integer, string, double. A data type tells the variable to only store values that are a particular data type, so you can only store numbers without decimal points in an integer variable, and only characters such as "ABCD" in a string variable.
How do you write and invoke methods that take parameters?
// This method will accept an integer, double, and string as parameters // To invoke it, simply call testMethod(0, 1.1, "hello"); // (or whatever values you wish to substitute in) void testMethod(int param0, double param1, String param2) { System.out.println("Accepting parameter: " + param0); System.out.println("Accepting parameter: " + param1); System.out.println("Accepting parameter: " + param2); }
What are the functions of Atoi itoa and gcvt in C language?
All these are conversion functions - atoi()-string to integer.itoa()-integer to string.gcvt()-double to string
Is String class a final class?
The core classes in the java.lang.* package (e.g. String, Integer, double, Boolean, etc.) are all declared final.
What is the use of percent in printf statement in c?
It is a flag character that precedes the variable type place holder. %d %i Decimal signed integer. %o Octal integer. %x %X Hex integer. %u Unsigned integer. %c Character. %s String. See below. %f double %e %E double. %g %G double. %p pointer. %% %. No argument expected.
Write the prototype of a function' divide' that takes two integer values and returns the quotient of double type.?
Your question isn't a question, but here is the answer: double divide (int p, int q);
What is the lowest string on a double bass?
The lowest string on a four string double bass is an E string. If you have a fairly rare five string double bass then the lowest fifth string is a B string.
What are 2 types of constant in c?
String constants:A string constant is a sequence of alphanumeric characters enclosed in double quotation marks whose maximum length is 256 characters. The following are some examples of valid string constants:1) "The result is ="2) "Test program 123"Numeric constants:Numeric constants are positive or negative numbers. There are four types of numeric constants: integer constant, floating point constant, hex constant and octal constant. An integer constant may either be a short integer or a long integer. A floating point constant may either be of single precision or double precision.
How many bytes does float double long string and char store?
float usually 4 double usually 8 long is 8 but integer, unlike double string is a pointer to a memory address containing array of chars, so it doesn't have a fixed size and a char is usually 1, but i think its 2 in java
How many strings does a double base have?
the double bass has 4 strings G string D string A string and E string.
What is the default data type for Visual Basic?
A variable has a data type such as integer, string, double. A data type tells the variable to only store values that are a particular data type, so you can only store numbers without decimal points in an integer variable, and only characters such as "ABCD" in a string variable.
A Explain the need of built-in functions in Visual Basic List out the various built in functions that are 1 Explain architecture of Distributed Database systems?
A function that is built into an application and can be accessed by end-users.A function is similar to a normal procedure but the main purpose of the function is to accept a certain input from the user and return a value which is passed on to the main program to finish the execution. There are two types of functions, the built-in functions (or internal functions) and the functions created by the programmers. he general format of a function isFunctionName (arguments) The arguments are values that are passed on to the function.Built -in function are classified under following categories * Math Functions * Conversion Functions * String Functions * Date and Time Functions * Array Functions * Misc. FunctionsMath Functions * Abs(vNumber) - Returns the absolute value of a specified number * Atn(vNumber) - Returns the arctangent of a specified number * Cos(vNumber) - Returns the cosine of a specified number (angle) * Exp(vPower) - Returns e raised to a power * Hex(vNumber) - Returns the hexadecimal value of a specified number * Int(vNumber) - Returns the integer part of a specified number * Fix(vNumber) - Returns the integer part of a specified number * Log(vNumber) - Returns the natural logarithm of a specified number * Oct(vNumber) - Returns the octal value of a specified number * Rnd() - Returns a random number less than 1 but greater or equal to 0 * Sgn(vNumber) - Returns an integer that indicates the sign of a specified number * Sin(vNumber) - Returns the sine of a specified number (angle) * Sqr(vNumber) - Returns the square root of a specified number * Tan(vNumber) - Returns the tangent of a specified number (angle) Conversion Functions * CBool(vVariant) - Converts an expression to a variant of subtype Boolean * CByte(vVariant) - Converts an expression to a variant of subtype Byte * CCur(vVariant) - Converts an expression to a variant of subtype Currency * CDate(vVariant) - Converts a valid date and time expression to the variant of subtype Date * CDbl(vVariant) - Converts an expression to a variant of subtype Double * CInt(vVariant) - Converts an expression to a variant of subtype Integer * CLng(vVariant) - Converts an expression to a variant of subtype Long * CSng(vVariant) - Converts an expression to a variant of subtype Single * CStr(vVariant) - Converts an expression to a variant of subtype StringString Functions * InStr(sString, sSubString) - Returns the position of the first occurrence of one string within another. The search begins at the first character of the string * InStrRev(sString, sSubString) - Returns the position of the first occurrence of one string within another. The search begins at the last character of the string * LCase(sString) - Converts a specified string to lowercase * Left(sString, iLen) - Returns a specified number of characters from the left side of a string * Len(sString) - Returns the number of characters in a string * LTrim(sString) - Removes spaces on the left side of a string * RTrim(sString) - Removes spaces on the right side of a string * Trim(sString) - Removes spaces on both the left and the right side of a string * Mid(sString, iStart, iLen) - Returns a specified number of characters from a string * Replace(sString, sOld, sNew) - Replaces a specified part of a string with another string a specified number of times * Right(sString) - Returns a specified number of characters from the right side of a string * Space(iLen) - Returns a string that consists of a specified number of spaces * StrComp(sString1, sString2) - Compares two strings and returns a value that represents the result of the comparison * String(iLen, sChar, iLen) - Returns a string that contains a repeating character of a specified length * StrReverse(sString) - Reverses a string * UCase(sString) - Converts a specified string to uppercase * Asc(sString) - Converts the first letter in a string to ANSI code * Chr(iInteger) - Converts the specified ANSI code to a character Date and Time Functions * CDate(vVariant) - Converts a valid date and time expression to the variant of subtype Date * Date() - Returns the current system date * DateAdd(sType, iInterval, tDate) - Returns a date to which a specified time interval has been added * DateDiff(tDate1, tDate2) - Returns the number of intervals between two dates * DatePart(sType, tDate) - Returns the specified part of a given date * DateSerial(iYear, iMonth, iDate) - Returns the date for a specified year, month, and day * DateValue(vVariant) - Returns a date * Day(tDate) - Returns a number that represents the day of the month (between 1 and 31, inclusive) * FormatDateTime(tDate, iType) - Returns an expression formatted as a date or time * Hour(tDate) - Returns a number that represents the hour of the day (between 0 and 23, inclusive) * IsDate(vVariant) - Returns a Boolean value that indicates if the evaluated expression can be converted to a date * Minute(tDate) - Returns a number that represents the minute of the hour (between 0 and 59, inclusive) * Month(tDate) - Returns a number that represents the month of the year (between 1 and 12, inclusive) * MonthName(iMonth) - Returns the name of a specified month * Now() - Returns the current system date and time * Second(tDate0 - Returns a number that represents the second of the minute (between 0 and 59, inclusive) * Time() - Returns the current system time * Timer() - Returns the number of seconds since 12:00 AM * TimeSerial(iHour, iMinute, iSecond) - Returns the time for a specific hour, minute, and second * TimeValue(tDate) Returns a time * Weekday(tDate) - Returns a number that represents the day of the week (between 1 and 7, inclusive) * WeekdayName(iWeekDay) - Returns the weekday name of a specified day of the week * Year(tDate) - Returns a number that represents the yearArray Functions * Array(vArg1, vArg2, ...) - Returns a variant containing an array * IsArray(vVariant) - Returns a Boolean value that indicates whether a specified variable is an array * Join(aArray) - Returns a string that consists of a number of substrings in an array * LBound(aArray) - Returns the smallest subscript for the indicated dimension of an array * Split(sString, sDelimiter) - Returns a zero-based, one-dimensional array that contains a specified number of substrings * UBound(aArray) - Returns the largest subscript for the indicated dimension of an arrayMisc. Functions * IsArray(variable) - Returns True if the specified variable is an array * IsDate(variable) - Returns True if the specified variable can be converted to a date * IsEmpty(variable) - Returns True if the specified variable is Empty * IsNull(variable) - Returns True is the specified variable is Null * IsNumeric(variable) - Returns True if the specified variable can be converted to a number * IsObject(variable) - Returns True if the specified variable is an object * TypeName(variable) - Returns the type name of the specified variable * VarType(vVariant) - Returns the type code of the specified variable
Why you need to always return integer type as return value not other datatype?
That's not true. You return whatever is necessary for the logic of your program. For example, a function or method that calculates the square root of a number returns this square root. If it were to return an integer, the answer would have to be rounded to an integer, and not be very exact. In this case, such a function would have to return a floating-point number (for example, in Java, a "double") to be correct. In other cases, you might return a string, a boolean value, or even a user-defined type such as a date, a complex number, the coordinates of a point, a font definition, etc.
