कंप्यूटर प्रोग्रामिंग/वेरिएबल/जावा

variables.java

import java.util.Scanner;

class variables {
    public static void main(String[] args) {
        System.out.println("Hello world!");

        System.out.println("Variables and Data Types");
        int i = 1234567890;
        float f = 1.2345678f;
        double d = 1.234567890123456;
        String s = "string";
        
        System.out.println("int: " + i);
        System.out.println("float: " + f);
        System.out.println("double: " + d);
        System.out.println("String: " + s);
        System.out.println("");
        
        System.out.println("Constants");
        final double PI = 3.14159;
        final String C = "Constant";
        System.out.println(PI + "   " + C);
        System.out.println("");
    
        System.out.println("Arithmetic Operators");
        int a = 3;
        int b = 2;
        System.out.println("a = " + a);
        System.out.println("b = " + b);
        System.out.println("a + b = " + (a + b));
        System.out.println("a - b = " + (a - b));
        System.out.println("a * b = " + (a * b));
        System.out.println("a / b = " + (a / b));
        System.out.println("");
    
        System.out.println("Assignment Operators");
        a += b;
        System.out.println("a += b is " + a);
        a -= b;
        System.out.println("a -= b is " + a);
        a *= b;
        System.out.println("a *= b is " + a);
        a /= b;
        System.out.println("a /= b is " + a);
        System.out.println("");
    
        System.out.println("User Input");
        System.out.print("What is your name? ");
        Scanner scanner = new Scanner(System.in);
        String username = "";
        username = scanner.nextLine();
        System.out.println("Hello " + username + "!");
    }
}

कोशिश करो

निम्न कोड मुफ्त ऑनलाइन विकास के वातावरण में से एक में ऊपर कॉपी और पेस्ट करो या अपने खुद के जावा कम्पाइलर/इंटरप्रेटर/आईडीई का उपयोग करें।

• कोडशेफ
• आईडीईवन
• paiza.IO
• repl.it

यह भी देखें

• कंप्यूटर प्रोग्रामिंग
• जावा प्रोग्रामिंग