Which method is used to perform DML statements in JDBC ?
A. executeUpdate()
B. executeQuery()
C. execute()
D. None of above
Java concepts and its programming
pow () is associated with which class ?
pow () is associated with which class ?
A. Input stream class
B. Object class
C. Math class
D. None of above
_________ allows java code to run in the JVM to call and be called by native applications ?
_________ allows java code to run in the JVM to call and be called by native applications ?
A. JNI
B. FJI
C. NJI
D. JFI
Which statements are most accurate regarding the following classes? class A{private int i; protected int j; } class B extends A{ private int k; protected int m; } ?
Which statements are most accurate regarding the following classes? class A{private int i; protected int j; } class B extends A{ private int k; protected int m; } ?
A. An object of B contains data fields j, k, m
B. An object of B contains data fields k, m
C. An object of B contains data fields j, m
D. An object of B contains data fields i, j, k, m
The following fraction of code double STATIC = 2.5 ; System.out.println( STATIC ); ?
The following fraction of code double STATIC = 2.5 ; System.out.println( STATIC ); ?
A. Prints 2.5
B. Raises an exception
C. Raises an error as STATIC is used as a variable which is a keyword
D. None of these
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
String is the predefined ?
String is the predefined ?
A. Object
B. Variable
C. Class
D. Method
Executable applet is_________________?
Executable applet is_________________?
A. .class file
B. .java file
C. .java html
D. .applet file
Which among following classes is not part of Java’s collection framework ?
Which among following classes is not part of Java’s collection framework ?
A. Stack
B. Maps
C. Queue
D. Array
Which driver is called as thin-driver in JDBC ?
Which driver is called as thin-driver in JDBC ?
A. Type-1 driver
B. Type-2 driver
C. Type-3 driver
D. Type-4 driver