Separators in Java
Last Updated :
25 Sep, 2021
Be it a programmer who is unaware of this concept but is indulging in every program. Separators help us defining the structure of a program. In Java, There are few characters used as separators. The most commonly used separator in java is a semicolon(;). Let us explore more with the help of an illustration with the “Hello World” program to put more emphasis on separators.
Illustration: Hello World
Observations drawn are as follows:
- In line 3, ‘{‘ is used to define starting of block class GFG
- In line 6, ‘{‘ is used to define starting of block main method
- In line 10, ‘;’ is used to terminate the sentence
- In line 11, ‘}’ is used to define the ending of the block main method
- In line 12, ‘}’ is used to define the ending of block class GFG
These separators are pictorially depicted below as follows:
Symbol |
Name |
Purpose |
( ) |
Parentheses |
used to contain a list of parameters in method definition and invocation. also used for defining precedence in expressions in control statements and surrounding cast types |
{ } |
Braces |
Used to define a block of code, for classes, methods and local scopes Used to contain the value of automatically initialised array |
[ ] |
Brackets |
declares array types and also used when dereferencing array values |
; |
Semicolon |
Terminates statements |
, |
Comma |
Used to separates package names from sub-package and class names and also selects a field or method from an object |
. |
Period |
separates consecutive identifiers in variable declarations also used to chains statements in the test, expression of a for loop |
: |
Colon |
Used after labels |
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