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Java Objective Questions (MCQs) - 225

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Question: 81

public class Main
{   
public static void main(String[] args) {
	String str = "1234.34";
	int a = Integer.parseInt(str);
	System.out.println(a);
}
}

(A) 1234.34
(B) 1234
(C) .1234.00
(D) NumberFormatException

Level: Beginner Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 82

public class Main
{   
public static void main(String[] args) {
		String str = "1234.34";
		Float a = Float.parseFloat(str);
		System.out.println(a);
	}
}

(A) 1234.00
(B) 1234.34
(C) 1234
(D) Exception

Level: Expert Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 83

public class Main
{   
public static void main(String[] args) {
		int a = 10;
		String temp = Integer.toString(a);
		System.out.println(temp);
	}
}

(A) Compilation Error
(B) Exception
(C) 10
(D) 1

Level: Beginner Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 84

public class Main
{   
public static void main(String[] args) {
		int a = 10.0;
		String temp = Integer.toString(a);
		System.out.println(temp);
	}
}

(A) 10.0
(B) 10
(C) error: loss precision
(D) Exception

Level: Expert Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 85

public class Main
{   
	public static void main(String[] args) {
		float a = 10.0f;
		String temp = Integer.toString(a);
		System.out.println(temp);
	}
}

(A) 10.0f
(B) 10.0
(C) 10
(D) error: no suitable method found for toString(float)

Level: Practitioner Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 86

public class Main
{   
public static void main(String[] args) {
	float a = 10.0f;
	String temp = Float.toString(a);
	System.out.println(temp);
}
}

(A) 10.0f
(B) 10.0
(C) 10
(D) 10.00

Level: Beginner Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 87

public class Main
{   
public static void main(String[] args) {
	float a = 10.0000f;
	String temp = Float.toString(a);
	System.out.println(temp);
}
}

(A) 10.0f
(B) 10.0
(C) 10.00
(D) 10.0000

Level: Practitioner Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 88

public class Main
{   
public static void main(String[] args) {
	float a = 10.0000f;
	String temp = Double.toString(a);
	System.out.println(temp);
}
}

(A) 10.0000f
(B) 10.0000
(C) 10.00
(D) 10.0

Level: Expert Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 89

public class Main
{   
public static void main(String[] args) {
	String temp = "10";
	int a = Integer.parseInt(temp);
	System.out.println(a);
}
}

(A) 0
(B) 10
(C) 100
(D) Exception

Level: Practitioner Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 90

public class Main
{   
public static void main(String[] args) {
	String temp = "10.87";
	int a = Integer.parseInt(temp);
	System.out.println(a);
}
}

(A) 10
(B) 10.00
(C) 10.87
(D) NumberFormatException

Level: Expert Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 91

public class Main
{   
public static void main(String[] args) {
	String temp = "10.87";
	int a = Float.parseFloat(temp);
	System.out.println(a);
}
}

(A) 10.87
(B) 10.00
(C) 10
(D) error:possible loss of precision

Level: Expert Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 92

public class Main
{   
public static void main(String[] args) {
	String temp = "10.87";
	Float a = Float.parseFloat(temp);
	System.out.println(a);
}
}

(A) 10.87
(B) 10.870000
(C) 10.8700
(D) 10.00

Level: Expert Category: typecasting
[Posted by: Admin | Chicago, USA]

Question: 93

public class Main
{
public static void main(String[] args) {

	if(0==0){
	    System.out.println("Sun");
	}
	else{
	    System.out.println("Moon");
	}
}
}

(A) SunMoon
(B) Sun
(C) Moon
(D) Compilation Error

Level: Practitioner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 94

public class Main
{
public static void main(String[] args) {
	if(0){
	    System.out.println("Sun");
	}
	else{
	    System.out.println("Moon");
	}
}
}

(A) Moon
(B) Sun
(C) SunMoon
(D) error: int can not be converted to boolean

Level: Practitioner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 95

public class Main
{
public static void main(String[] args) {
    int a = 0;
	if(a==0){
	    System.out.println("Sun");
	}
	else{
	    System.out.println("Moon");
	}
}
}

(A) Sun
(B) Moon
(C) SunMoon
(D) Compilation Error

Level: Practitioner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 96

public class Main
{
public static void main(String[] args) {
    int a = 0;
	if(a==1){
	    System.out.println("Sun");
	}
}
}

(A) Sun
(B) Nothing is printed
(C) Compilation Error
(D) Exception

Level: Practitioner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 97

public class Main
{
public static void main(String[] args) {
    int a = 0;
	if(a==1);{
	    System.out.println("Sun");
	}
}
}

(A) Compilation Error
(B) Sun
(C) Nothing is printed
(D) error: unreachable statement

Level: Practitioner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 98

public class Main
{
public static void main(String[] args) {
    int a = 0;
	if(a==1);
	System.out.print("Sun");
	System.out.println("Moon");
}
}

(A) Compilation Error
(B) exception: unreachable code
(C) Sun
(D) SunMoon

Level: Beginner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 99

public class Main
{
public static int ret(){
    return 0;
}    
public static void main(String[] args) {
    int a = 0;
	if(ret()==0)
	System.out.print("Sun");
	System.out.println("Moon");
}
}

(A) Sun
(B) SunMoon
(C) Nothing is printed
(D) Compilation Error

Level: Practitioner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 100

class cppbuzz{
    private void sum(){
        System.out.println("hi");
    }
}

public class Main
{
	public static void main(String[] args) {
		cppbuzz obj = new cppbuzz();
		obj.sum();
	}
}

(A) hi
(B) nothing is printed
(C) error: sum() has private access
(D) Exception

Level: Beginner Category: classesAndobjects
[Posted by: Admin | Chicago, USA]

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Java Objective Questions (MCQs) - 225

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