Java Quiz 1

The command javac is used to

• Execute a Java program

• Compile a Java program

• Debug a Java program

• Interpret a Java program

……………. are not machine instructions and therefore, Java interpreter generates machine code that can be directly executed by the machine that is running the Java program.

• Compiled instruction

• Compiled code

• Byte code

• Java mid code

Which of the following is not the Java primitive type

• Byte

• Float

• Character

• Long double

Which of the following is true about Java.

• Java does not support overloading.

• Java has replaced the destructor function of C++

• There are no header files in Java.

• All of the above

All Java classes are derived from

• java.lang.Class

• java.util.Name

• java.lang.Object

• java.awt.Window

What would happen if “String[]args” is not included as an argument in the main method?

• No error

• Compilation error

• The program won’t run

• Program exit

The compiled Java program can run on any ………………… platform having Java Virtual Machine (JVM) installed on it.

• Program

• Hardware

• Java

• Non java

The information written in java after // is ignored by the

• Programmer

• Interpreter

• Compiler

• All of the above

When the operators are having the same priority, they are evaluated from …………….. …………. in the order they appear in the expression.

• right to left

• left to right

• Any of the order

• Depends on the compilor

Which component is used to compile,debug and execute the java programs ?

• JRE

• JIT

• JDK

• JVM