Java Programming Basics

What is the correct statement to print "Hello World" (without double quotes)?

What is the result of the following calculation?

1 public class Main {
2  public static void main(String[] args) {
3  // Write your code here
4  int a = 3;
5  int b = 4;
6  int c = 5;
7  System.out.println(a + b * c + b);
8  }
9 }

What is the result of the following calculation?

public class Ex { 
  public static void main(String[] args) { 
    System.out.println(5 + 15 / 3 * 2 - 8 % 3); 
  } 
}

Is string concatenation using '+' allowed in Java?

What is the result of print statement in this Java program (+=)?

public class AssShortcutExample {
   public static void main(String args[]) {
      int num1 = 10;
      int num2 = 20;

      num2 += num1;
      System.out.println("= Output: "+num2);
    }
}

What is the result of print statement in this Java program (-=)?

public class AssShortcutExample {
   public static void main(String args[]) {
      int num1 = 10;
      int num2 = 20;

      num2 -= num1;
      System.out.println("= Result: "+num2);
    }
}

What is the difference between float and double data types in Java?

What is the difference between int and long in Java?