Introduction to Programming

Parentheses "()"

You have also seen the usage of separators () (parentheses) to keep the list of method parameters in the method definition and method invocation:

void someMethod(int i) {  //...  String s = anotherMethod();  //...}

They are also used in control-flow statements (see Chapter 10, Control Flow Statements):

if(i == 2){  //...}

During typecasting (see the Primitive types and literals section), they are put around the type:

long v = 23;int i = (int)v;

As for setting the precedence of an execution (see Chapter 9, Operators, Expressions, and Statements), you should be familiar with it from basic algebra:

x = (y + z) * (a + b).