What are braces in Java for?
Braces, also known as curly braces, use { and } to delimit compound statements.
Also, Java uses them for surrounding the bodies of loops, methods and classes.
For example
-
Instance initializer, it is a block of code that will execute each time an instance of
the class is created.
class Program {
{
System.out.println("Instance Intializer");
}
public static void main(String[] args) {
}
}
-
Static initializer, it is a block of code that will execute only one time when the
class is first loaded.
class Program {
static {
System.out.println("Instance Intializer");
}
public static void main(String[] args) {
}
}
-
A compound statement, it is just a block of code that will
execute when the method is invoked.
class Program {
public static void main(String[] args) {
{
....
System.out.println("Inside method");
....
}
}
}
-
Local variables are declared within code blocks. The scope of
a local variable starts at the variable declaration and ends at the closing
curly brace of the containing block.