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Java Interview Questions on Typecasting - 14 Questions

Question: 1

public class Main
{   
public static void main(String[] args) {
		String str = "1234";
		int a = Integer.parseInt(str);
		System.out.println(a);
	}
}

(A) 123
(B) 1234
(C) 12340
(D) Compilation Error

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

Question: 2

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: 3

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: 4

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: 5

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: 6

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: 7

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: 8

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: 9

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: 10

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: 11

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: 12

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: 13

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: 14

Find the output of below program

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

(A) 99
(B) 67
(C) Unpredictable Value
(D) NumberFormatException

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

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Java Interview Questions on Typecasting - 14 Questions

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