Description

A code block refers to a block of code enclosed within curly braces. The code block starts with an open curly brace and ends with a closing curly brace. Examples incude a try block, a catch block, an if block, etc.

Where code blocks are used (or where curly braces are used)

• class
• method
• if
• switch
• while
• for
• do while
• try
• catch
• finally
• static initializer
• anonymous code block

Class code block

public class{
  ...
}

Method code block

public void print(){
  ...
}

If code block

if(x<5){
  ...
}

Note: If there is only one statement in the code block, the curly braces are optional.

if(x<5) this.jump();

Switch code block

switch(i){
  ...
}

While code block

while(x<5){
  ...
}

Note: If there is only one statement in the code block, the curly braces are optional.

while(x<5) System.out.println(x++);

For code block

for(int x=0;x<5;x++){
  ...
}

Note: If there is only one statement in the code block, the curly braces are optional.

for(int x=0;x<5;x++) System.out.println(x);

Do While code block

do{
  ...
}while (x<5);

Try Code Block

try{
  ...
}

Catch Code Block

catch(Exception ex){
  ...
}

Finally Code Block

finally{
  ...
}

Static Initializer Code Block

static{
  ...
}

Anonymous Code Block

{
  ...
}