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How many primitive data types are there in Java ?
Related MCQs
Program which executes applet is known as__________?
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); } } ?
Size of float and double in Java is__________?
All collection classes are available in __________?
Automatic type conversion in Java takes place when__________?
Interfaces helps in which type of inheritance ?
A package is a collection of__________?
Which method is used to perform DML statements in JDBC ?
pow () is associated with which class ?
_________ allows java code to run in the JVM to call and be called by native applications ?
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; } ?
The following fraction of code double STATIC = 2.5 ; System.out.println( STATIC ); ?
All raw data types should be read and uploaded to the database as an array of__________?
String is the predefined ?
Executable applet is__________?
Which among following classes is not part of Java’s collection framework ?
Which driver is called as thin-driver in JDBC ?
Minimum threads in a program are__________?
Suspend thread can be revived by using ?
In Java byte, short, int and long all of these are __________?
Which method can’t be overidden ?
In java, gc() method is available in which package ?
Converting a primitive type data into its corresponding wrapper class object instance is called __________?
In Java, the word true is __________?
Hot java is__________?
What is meaning of jar ?
A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction ?
javah stands for ?
Which method of the Applet class displays the result of applet code on screen ?
Which of the following command is used to compile the Java program ?
Size of int in Java is__________?
Which method executes only once ?
What is the output for the below code ? public class Test{public static void main(String[] args){int i = 010; int j = 07;System.out.println(i); System.out.println(j); } } ?
Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct ?
How many transaction isolation levels are defined in java.sql.Connection interface ?
JIT meaning ?
Runnable is__________?
The object is created with “new” keyword ?
Which method of java is invoked by JVM to reclaim the inaccessible memory location ?
After the compilation of the java source code, which file is created by the JVM ?
Which collection class associates values witch keys, and orders the keys according to their natural order ?
Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class?
Which driver is efficient and always preferable for using JDBC applications__________?
Main method parameter has which type of data type__________?
Which command disassembles a class file__________?
What do you mean by javap?
Which is the predefined package ?
Which of the following automatic type conversion will be possible ?
Object which can store group of other objects is called__________?
In which we clone the object and their constituent parts__________?
What is jdb__________?
How many primitive data types are there in Java ?
A. 5
B. 6
C. 7
D. 8
Correct Answer:
8
✔
Last Updated:
April 18, 2019