Answers for "how to write methods in java"

Java

method declaration java

method declaration:
Access-modifers  Specifier  return-Type  MethodName(parameter){
		statements;
		}
 
Access-modifiers: public, protected, default, private
						public: visible to the world
 
Specifier: static, final, abstract, synchronized
					static: can be called through class name
 
return-types: void, any datatype
					void: does not return any value from the method
					datatype: return a value (MANDATORY)
 
 
static: can be called through class name
return methods: return-type is not void
it's mandatory to return value from the method
return statement: exits the current method 
 
can return value from a method, if return-type is not void
 
System.exit(0): exits the entire system

Posted by: Guest on May-28-2021

what are method in java

Static methods: A static method is a method that can be called and executed without creating an object
Instance methods: These methods act upon the instance variables of a class
Factory methods: A factory method is a method that returns an object to the class to which it belong

Posted by: Guest on October-01-2020

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;
}

Posted by: Guest on December-20-2019

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

Posted by: Guest on June-02-2020

what is 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.

Posted by: Guest on December-05-2020

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