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Answers for "method declaration java class"

Java
2

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
1

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!");
        }
    
  }
}
Posted by: Guest on March-13-2020
2

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
1

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!");
        }
    
  }
}
Posted by: Guest on March-13-2020

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