Types of Java Statements

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In this topic, you will learn about, Types of Java Statements.

Empty statement: An empty statement in Java is written as a single semicolon. The empty statement doesn’t do anything, but the syntax is occasionally useful.                        For example, you can use it to indicate an empty loop body of a for loop:

Labeled Statements: A labeled statement is simply a statement that has been given a name by prepending an identifier and a colon to it. Labels are used by the break and continue statements. For Example:

Expression Statements: Most statements in Java are expression statements. Java has seven types of expression statements.

  • Assignment
  • Pre-Increment
  • Pre-Decrement
  • Method Call
  • Allocation Expression

Selection statements: Selection statements are used to select one of the several control flows. There are three types of selection statements.

  •  if
  •  if … else
  • switch

Iteration Statements: Iteration statements are used to repeat one or more statements up to a given no. of time. There are three types of iteration statements.

  • while
  • do while
  • for

Jump Statements: Jump statements are used to pass the control to the beginning or end of the current block, or to a block, or to a labeled statement. Such labels must be in the same block and continue labels must be on an iteration statement. There are four types of jump statements.

  • break
  • continue
  • return
  • throws

Synchronization statement: These statements(e.g. synchronized) are used for handling issues with multi-threading.

Guarding Statements: These statements are used for the safe handling of code that may cause exceptions(such as division by zero). These statements use the keywords try, catch, and finally.

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