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User Input with Scanner The Scanner class from java.util package enables reading user input. Here's the basic syntax: InputReader reader = new InputReader(System.in); Use next() and nextLine() methods to read strings, with hasNext() and hasNextLine() to check for available input. next() Method import java.util.Scanner; public class InputExamp ...

Conditional Statemants Double Branch if condition: statement # ... else: statement # ... Multiple Branches if condition1: statement elif condition2: statement elif condition3: statement else: statement Examples # Single branch gpa_str = input("Enter your GPA:") gpa = float(gpa_str) if gpa > 3.5: ...

Statement Categories C programs consist of several statement types: Expression statements Function call statements Control flow statements Compound statements (blocks) Null statements Control flow statements include decision-making (branching) and iteration (looping) constructs. Branching relies on if and switch, while loops are implemented v ...

If Control Statements Key observations: Parentheses around conditional expressions are optional and conventionally omitted A short variable declaration can precede the condition, separated by a semicolon; variables declared this way are scoped to the entire if-else chain Prefer concise conditional expressions Go lacks a ternary conditional ope ...

Compound Statements A compound statement in Java defines a local scope for variables. Variables declared inside this scope are only accessible within the compound statement itself. public class FlowControlBasics { public static void main(String[] args) { int primaryNum = 15; { int secondaryNum = 30; S ...