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Which is the syntax of for loop?
Syntax. The init step is executed first, and only once. This step allows you to declare and initialize any loop control variables. You are not required to put a statement here, as long as a semicolon appears.
What is difference in syntax between for loop and while loop?
For loop contains only a single condition whereas while loop may contain a set of commands to be executed together. In for loop, initialization of command is done only once but in while loop initialization of command is needed each time the iteration of command is done.
What is the syntax of for loop in Java?
Java for Loop vs while Loop vs do-while Loop
| Comparison | for loop |
|---|---|
| Syntax | for(init;condition;incr/decr){ // code to be executed } |
| Example | //for loop for(int i=1;i<=10;i++){ System.out.println(i); } |
| Syntax for infinitive loop | for(;;){ //code to be executed } |
Can a loop contain more than one statement?
The body of a loop can contain more than one statement. If it contains only one statement, then the curly braces are not compulsory. It is a good practice though to use the curly braces even we have a single statement in the body.
How is a while statement evaluated in a loop?
while (condition) { statements; } It is an entry-controlled loop. In while loop, a condition is evaluated before processing a body of the loop. If a condition is true then and only then the body of a loop is executed.
How is a while loop different from a DO WHILE LOOP?
It is different in do while loop which we will see shortly. Following program illustrates while loop in C programming example: The above program illustrates the use of while loop. In the above program, we have printed series of numbers from 1 to 10 using a while loop. We have initialized a variable called num with value 1.
What happens to the CONTINUE statement in a for loop?
A continue statement in a for loop terminates only the current iteration. If cond-expression is omitted, it’s considered true, and the for loop won’t terminate without a break, return, or goto within statement.