java define function code example

Example 1: 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;
}

Example 2: java how to define a function

//declare a function like this:
void function(int parameter1)
{
	//function body
}
//call the function like this:
function(1);

Example 3: function in java

public class Main
{
    static void function(){
        System.out.println("I am a function!");
    }
	public static void main(String[] args) {
		function();
	}
}

Example 4: java methods

public class MyClass {
  static int myMethod(int x) {
    return 5 + x;
  }

  public static void main(String[] args) {
    System.out.println(myMethod(3));
  }
}
// Returns 8