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Operator in java is a mark that is used to apply missions. For example: +, -, *, / etc. There are a lot of types of operators in java which are given below: 1. Unary Operator, 2. Arithmetic Operator, 3. shift Operator, 4. Relational Operator, 5. Bitwise Operator, 6. Natural or logical Operator, 7. Ternary […]

The scope of a variable bounds the part of the code in which the variable is clear. As a general rule, variables that are circle enclosed by a block are not provided outside that block. The life cycle of a variable apply to how long the variable exists before it is overcome. Overcomeing variables apply

Variable is manly use for memory location. Java have three type of variable Example of variables:- public class airthmatic_operater { public static void main(String[] args) { int a,b; a=20; b=10; System.out.println(a+b); } }   output:- 30       Variable in java Variable is manly use for memory location. Java have three type of variable

there are mainly two type:- Primitive data type. Non primitive data types Data Type Default value Default size boolean False 1 bit char ‘\u0000’ 2 byte byte 0 1 byte short 0 2 byte int 0 4 byte long 0L 8 byte float 0.0f 4 byte double 0.0d 8 byte  

Comment is basically used when we do not want to execute the statement. Type of Java comments There are mainly two type of java comment. Single Line comment. Multi Line comment. Single line comment  :- The single line comment Is used for comment only one line. Syntax:- // this is single line comment (‘//’) Example:-