Expressions are necessary designing blocks of any Java program, usually produced to produce a newvalue, although sometimes an expression simply reattach a value to a variable. Expressions are built using values, variables, operators and way(method) calls. Types of Expressions While an expression often produces a result, it doesn’t all way(method) . There are three types […]
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
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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
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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