Java Basic Programs for Beginners

Java Basic Programs for Beginners - Important Points

16.		Which of the following is a valid way to create a new object in Java?

A. Object obj = new Object();

B. Object obj = Object();

C. Object obj = new Object;

D. Object obj = Object;

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Answer: option a

Explanation:

Option A is a valid way to create a new object in Java.

17.		What is the output of the following program? public class Main { public static void main(String[] args) { int x = 5; int y = 2; System.out.println(x >= y); } }

17.

What is the output of the following program?

public class Main {
public static void main(String[] args) {
int x = 5;
int y = 2;
System.out.println(x >= y);
}
}

A. 1

B. 0

C. Compile error

D. Runtime error

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Answer: option a

Explanation:

The expression x >= y compares the values of x and y for greater than or equal to, which is true in this case.

18.		Which of the following is not a valid access modifier in Java?

A. private

B. public

C. protected

D. global

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Answer: option d

Explanation:

global is not a valid access modifier in Java.

19.		What is the output of the following program? public class Main { public static void main(String[] args) { int x = 5; int y = 2; System.out.println(x != y); } }

19.

What is the output of the following program?

public class Main {
public static void main(String[] args) {
int x = 5;
int y = 2;
System.out.println(x != y);
}
}

A. 1

B. 0

C. Compile error

D. Runtime error

View Answer Discuss Work Space

Answer: option a

Explanation:

The expression x != y compares the values of x and y for not equal to, which is true in this case.

20.		Which of the following is not a primitive data type in Java?

A. int

B. float

C. string

D. char

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Answer: option c

Explanation:

string is not a primitive data type in JavIt is a class in the Java standard library. The correct spelling for the string class is String with a capital S.

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