How many primitive data types are there in Java ?
How many primitive data types are there in Java ?
A. 5
B. 6
C. 7
D. 8
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What will be output of following program? public class Test{public static void main(String[] args){byte b=127; b++; b++; System.out.println(b); } } ?
What will be output of following program? public class Test{public static void main(String[] args){byte b=127; b++; b++; System.out.println(b); } } ?A. 127
B. -127
C. 129
D. -129JAR file contains the compressed version of_________________?
JAR file contains the compressed version of_________________?A. .java file
B. .jsp file
C. .class file
D. None of aboveMinimum threads in a program are________________?
Minimum threads in a program are________________?A. 0
B. 1
C. 2
D. 3The following program: public class Test{ static boolean is OK; public static void main(String args[]){System.out.print(is OK); } } ?
The following program: public class Test{ static boolean is OK; public static void main(String args[]){System.out.print(is OK); } } ?A. Prints true
B. Prints false
C. Will not compile as boolean is not initialized
D. Will not compile as boolean can never be staticObject which can store group of other objects is called___________________?
Object which can store group of other objects is called___________________?A. Package
B. Wrapper
C. Java object
D. Collection objectWhich method is used to perform DML statements in JDBC ?
Which method is used to perform DML statements in JDBC ?A. executeUpdate()
B. executeQuery()
C. execute()
D. None of above