THINK++ — Engineering Visualized

Multi-way Branch

The else-if Ladder

Tests multiple conditions in sequence. Once a condition is true, its block executes and the rest are skipped.

GRADE CALCULATOR

if (marks >= 90) {
    grade = 'A';
} else if (marks >= 80) {
    grade = 'B';
} else if (marks >= 70) {
    grade = 'C';
} else if (marks >= 60) {
    grade = 'D';
} else {
    grade = 'F';
}

marks ≥ 90→A

marks ≥ 80→B

marks ≥ 70→C

marks ≥ 60→D

otherwise→F

EXECUTION FLOW

Conditions are checked top to bottom. The first match executes, and the rest are skipped entirely. The else at the end is the fallback for when no condition matches.

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Else If Ladder

Else If Ladder

The else-if Ladder

The else-if Ladder