Java Core & Fundamentals Tutorial
Java tutorial for beginners on Java 25. Install the JDK, run a first program and follow a 12-step learning path plus an index of every Java topic.
Flow control in Java refers to the mechanisms and constructs used to manage the execution flow of a program. Java provides several flow control statements and structures that allow you to make decisions, repeat code, and control the order in which statements are executed.
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Java Control Flow Statements: Decisions, Loops and Branching
Java control flow statements explained with if-else, switch, for, while, do-while, break, continue and yield, with examples and links to each tutorial.
Java continue Statement with Examples and Pitfalls
Learn the Java continue statement in for, while and do-while loops, guard clauses, the while loop trap, switch, forEach lambdas and labeled continue.
Java break Statement: Loops, switch and Nested Loops
Learn the Java break statement in for, while and do-while loops and switch, how to exit nested loops, compile errors, finally and stream alternatives.
Java do-while Loop with Examples (vs while Loop)
Learn the Java do while loop with examples, the trailing semicolon, input validation, the continue trap, compareAndSet retries and do-while vs while.
Java while Loop: Syntax, Examples and Infinite Loops
Learn the Java while loop with examples for reading input, iterators and queues, infinite loops, while vs for vs do-while, and a payment retry example.
Java for-each Loop (Enhanced for Loop) with Examples
Learn the Java for-each loop over arrays, lists, sets and maps, why the loop variable is a copy, safe removal, custom Iterable classes and reverse order.
Java for Loop: Syntax, Examples and Common Mistakes
Learn the Java for loop with its execution order, counting down, steps, two variables, nested loops, batches and the mistakes that cause wrong results.
Java switch Statement: Fall-Through, null and Patterns
Learn the Java switch statement with fall-through, allowed types, arrow labels, case null, pattern labels and how it differs from switch expressions.
Java if-else Statement: else-if, Nested if and Examples
Learn the Java if-else statement with else-if chains, nested if, the dangling else, instanceof patterns, guard clauses and ternary alternatives.
Labeled break and continue in Java (Nested Loops)
Learn labeled break and continue in Java to exit nested loops or skip outer passes, with label scope rules, compile errors, goto and better alternatives.
