Java concepts and its programming

In Java byte, short, int and long all of these are ____________?

Byadmin April 18, 2019September 1, 2021

In Java byte, short, int and long all of these are ____________?

A. signed
B. unsigned
C. Both of the above
D. None of these

Java concepts and its programming

All raw data types should be read and uploaded to the database as an array of________________?

All raw data types should be read and uploaded to the database as an array of________________?

A. int
B. byte
C. char
D. bollean

Read More All raw data types should be read and uploaded to the database as an array of________________?
Java concepts and its programming

Runnable is_______________?

Runnable is_______________?

A. Interface
B. Class
C. Variable
D. Method

Read More Runnable is_______________?
Java concepts and its programming

Which of the following automatic type conversion will be possible ?

Which of the following automatic type conversion will be possible ?

A. byte to int
B. short to int
C. long to int
D. int to long

Read More Which of the following automatic type conversion will be possible ?
Java concepts and its programming

Which statement is static and synchronized in JDBC API ?

Which statement is static and synchronized in JDBC API ?

A. getConnection()
B. executeQuery()
C. prepareCall()
D. executeUpdate()

Read More Which statement is static and synchronized in JDBC API ?
Java concepts and its programming

Which keyword is used while using interface________________?

Which keyword is used while using interface________________?

A. throw
B. throws
C. extend
D. implements

Read More Which keyword is used while using interface________________?
Java concepts and its programming

What will the output of the following program? public class Test{ public static void main(String args[]){float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); } } ?

What will the output of the following program? public class Test{ public static void main(String args[]){float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); } } ?

A. 0
B. 1
C. 2
D. 3

Read More What will the output of the following program? public class Test{ public static void main(String args[]){float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); } } ?

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