JAVA

public class Main{

public static void main(String[] args) {

int Integer = 24;

char String = 'I';

System.out.print(Integer);

System.out.print(String);

}}

• Compile time error

• 24I

• Run time Error

• 24

  I

• Exception

Choose the correct option which will print as 50:

• public class Main{

  public static void main(String[] args) {

  short x = 10;

  x = (short)x * 5;

  System.out.print(x);

  }}

• public class Main{

  public static void main(String[] args) {

  short x = 10;

  x = x * 5;

  System.out.print(x);

  }}

• public class Main{

  public static void main(String[] args) {

  short x = 10;

  x = (short)(x * 5);

  System.out.print(x);

  }}

• public class Main{

  public static void main(String[] args) {

  int x = 10;

  short x1 = x * 5;

  System.out.print(x1);

  }}

public class Main{

public static void main(String[] args) {

byte x = 126;

x++;

x++;

System.out.print(x);

}}

• -128

• 127

• 126

• 128

public class Main{

public static void main(String[] args) {

byte x = 127;

x++;

x++;

System.out.print(x);

}}

• -127

• 128

• 129

• 127

public class Main{

public static void main(String[] args) {

String str = "abcde";

System.out.println(str.substring(1, 3));

}}

• abc

• bc

• bcd

• Error

public class Main{

public static void main(String[] args) {

String str = "Hello world";

System.out.println(str.indexOf('t'));

}}

• -1

• false

• Error

• 0

public class Main{

public static void main(String[] args) {

String str1 = "vcet";

String str2 = "Erode";

System.out.println(str2.concat(str1));

}}

• Compile Time Error

• vcet Erode

• Erode vcet

• Erodevcet

String str1 = "Velalar Engineering".replace('e','s');

• Replaces single occurrence of 'e' to 's'

• Replaces all the occurrence of 'e' to 's'

• Replaces all the occurrence of 's' to 'e'

• Error

How many objects will be created in the following?

String a = new String("vcet");

String b = new String("vcet");

String c = "vcet";

String d = "vcet";

• 3

• 2

• 4

• 0

public class Main{

public static void main(String[] args) {

int a+1 = 100;

System.out.println(a++);

}}

• Compile time Error

• Run time Error

• 102

• 101