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Java List Interface

Theory

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Java List Interface

Java List Interface: state the definition in one sentence. For Java List Interface, know the key keywords / API types involved.

Be ready with one tiny runnable Java List Interface example.

Mention one common Java List Interface mistake and the fix.

Write one tiny example for List Interface. Compile, print one result, and say the output out loud before you type.

Use List Interface only when the problem needs it. Don’t force it into every program. Know one beginner trap.

Let's take this on the board with one tiny Main class — no extra files. Output: Asha scored 72 then Pass. Real Main. Swap marks/name to show one idea from Java List Interface. Start from main, go line by line, and stop at each print. That output is the proof for List Interface.

Exam tip

Explain Java List Interface as: definition → why → one code idea.

Example

// Java
public class Main {
  public static void main(String[] args) {
    int marks = 72;
    String name = "Asha";
    System.out.println(name + " scored " + marks);
    if (marks >= 40) System.out.println("Pass");
  }
}

Output: Asha scored 72 then Pass. Real Main. Swap marks/name to show one idea from Java List Interface.

Short notes

DefList Interface is a Java idea you should explain with one small example.
RuleKnow the keyword / API used for List Interface. Type a tiny Main and print one result.
RememberFor List Interface, say the output before you code.
TrapList Interface — only memorising the heading. No example, no trap.
Define Java List Interface
Key keyword / API

// Java public class Main { public static void main(String[] args) { int marks = 72; String name = "Asha"; System.out.println(name + " scored " + marks); if (marks >= 40) System.out.println("Pass"); } }

Java List Interface

Example

Short notes

Questions

Java List Interface

Example

Short notes

Questions