🟢 30 Basic Java Interview Questions for Freshers (with Examples & Use Cases) If you are preparing for interviews in service-based companies like TCS, Infosys, Accenture, Wipro, Tech Mahindra , these are the most commonly asked Java interview questions for freshers (<1 year experience) . Each question has: ✅ Simple explanation ✅ Real-life use case ✅ Small code example 1. What are the main features of Java? Answer: Object-Oriented Platform Independent Simple, Secure, Robust Multithreaded & Portable 👉 Use Case: Run same .class file on Windows & Linux. public class HelloWorld { public static void main (String[] args) { System.out.println( "Java is platform independent!" ); } } 2. What is JVM, JRE, and JDK? Answer: JVM: Runs Java bytecode. JRE: Libraries + JVM. JDK: JRE + tools (javac, debugger). // javac HelloWorld.java → JDK compiles to bytecode // java HelloWorld → JRE runs program inside JVM 3....