java method
public class Main {
public static void main(String args[]) {
SayHi();
int sum = AddNums(5, 6);
System.out.println(sum);
}
public static void SayHi() { //This method has no return value
System.out.println("Hi!");
}
public static int AddNums(int a, int b) { //This method has a return value
return a + b;
}java classes and methods
import java.lang.Math;
import java.util.Scanner;
public class HelloWorld {
public static void main(String[] args) {
class ResultNumberShape {
double number;
public boolean isSquare(double number) {
double result = Math.sqrt(number);
return ((result - Math.floor(result)) == 0);
}
}
ResultNumberShape checkNumber = new ResultNumberShape();
System.out.println("Enter any number:");
Scanner scanner = new Scanner(System.in);
double num = scanner.nextDouble();
scanner.close();
if (checkNumber.isSquare(num)) {
System.out.println(num + " is a sqaure number!");
} else {
System.out.println(num + " is not a square!");
}
}
}method in java
Method is a collection of statements
which returns a value upon its execution
Method have a return and the method's name may or not be same as the class
name.
Method is invoked explicitly.
Method is not provided by compiler in any case.
Methods are inherited by child classes.Copyright © 2021 Codeinu
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