Data Types

int x = 10;

System.out.println(x / 3);

• 3

• 3.33

• 3.0

• Compilation error

double y = 10 / 3;

System.out.println(y);

• 3.33

• 3

• 3.0

• Compilation error

char letter = 'A' + 1;

System.out.println(letter);

• A

• B

• 66

• Compilation error

boolean result = (5 > 3) && (2 < 1);

System.out.println(result);

• true

• false

• Runtime error

• Compilation error

float f = 5.5;

System.out.println(f);

• 5.5

• 5

• Runtime error

• Compilation error

System.out.println("10" + 5);

• 105

• 15

• 10 + 5

• Compilation error

long l = 1000 * 1000 * 1000 * 1000;

System.out.println(l);

• 1 000 000 000 000

• Overflow, incorrect result

• Runtime error

• Compilation error

Output:

25.0

• System.out.println(5 * 5 );

• System.out.println(5 * 5.0);

• System.out.println((int) (5 * 5.0));

• System.out.println((double) 5 * 5);

Output:

3.14159

• System.out.println(3.14159);

• System.out.println("%.5f", 3.14159);

• System.out.println((double) 3.14159);

• System.out.println("3.14159");

Output:

"Java 101"

• System.out.println("Java " + 101);

• System.out.println("Java " + "101");

• System.out.println(101 + " Java");