How do you do else if in COBOL?

How do you do else if in COBOL?

General Rules: When IF condition1 is false, S-COBOL looks for ELSE-IF statements at the same level. If such ELSE-IF statements are present, the conditions are evaluated one after the other. If one of the conditions is true, its statement block executes.

What does the else if command do?

The if/else if statement allows you to create a chain of if statements. The if statements are evaluated in order until one of the if expressions is true or the end of the if/else if chain is reached. If the end of the if/else if chain is reached without a true expression, no code blocks are executed.

Is else compulsory with if?

else is compulsory to use with if statement.

What is if else in?

An if else statement in programming is a conditional statement that runs a different set of statements depending on whether an expression is true or false.

Is end-if mandatory in COBOL?

IF Condition Statement If a condition is true, the IF block is executed; and if the condition is false, the ELSE block is executed. END-IF is used to end the IF block. To end the IF block, a period can be used instead of END-IF. But it is always preferable to use END-IF for multiple IF blocks.

How do you check if a value is negative in COBOL?

You use a numeric-edited PICture, and specify at least on “-” (minus sign) in an appropriate place. The “-” position will appear as that character for a negative value, but space will appear instead if positive.

Should every If have an else?

Whether you have an else clause or not, it’s always there. There always be an else clause. If you believe the above statement is true, leaving out an else clause means either one of these reasons: You don’t think about what to do when a condition in an if statement is false .

How many else if can I use?

You can have as many else if statements as necessary. In the case of many else if statements, the switch statement might be preferred for readability. As an example of multiple else if statements, we can create a grading app that will output a letter grade based on a score out of 100.

What is nested IF statement in COBOL?

END-IF is used to end the IF block. To end the IF block, a period can be used instead of END-IF. But it is always preferable to use END-IF for multiple IF blocks. Nested-IF − IF blocks appearing inside another IF block.

How to use if-else statement in COBOL?

COBOL IF-ELSE Statement is used for conditional processing in COBOL. The statement inside the IF block will execute if the condition of IF statement is true The statement inside IF block will not execute when the condition of IF statement is false. If we code ELSE block, in this case, the statement will execute

Which statement is used for conditional processing in COBOL?

COBOL IF-ELSE Statement is used for conditional processing in COBOL. The statement inside the IF block will execute if the condition of IF statement is true The statement inside IF block will not execute when the condition of IF statement is false.

What is the depth of nested IF statements in COBOL?

There is no limit to the depth of nested IF statements. IF [condition] THEN [COBOL statements] ELSE [COBOL statements] END-IF. IDENTIFICATION DIVISION. PROGRAM-ID.

What is the use of endend-if in COBOL?

END-IF is used to end the IF block. To end the IF block, a period can be used instead of END-IF. But it is always preferable to use END-IF for multiple IF blocks. Nested-IF − IF blocks appearing inside another IF block. There is no limit to the depth of nested IF statements. IF [condition] THEN [COBOL statements] ELSE [COBOL statements] END-IF.