Programmer Coding

Expressions

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
ofexpressions in Java:
1.  Those that produce a value, i.e. the result of (1 + 1)
2. Those that assign a variable, for example (a = 10)
3. Those that have no result but might have a “side effect” because an expression can include
a wide range of elements such as way(method) entreaty or increment operators that
modify the state (i.e. memory) of a program

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