Java Programming Basics with Examples

this() Statement in Java The this() statement in Java is used to call one constructor from another constructor within the same class. It helps in constructor chaining inside the same class and avoids code duplication . ✅ Correct Definition this() is used to call the current class constructor It is used inside a constructor It must be the first statement in the constructor body It is written explicitly by the programmer It does not support recursive calls A constructor body must contain either this() or super(), not both ⚠️ Important Correction this() → calls constructor of the same class super() → calls constructor of the super (parent) class 🌍 Real-Life Example Online Order System One constructor sets default values Another constructor sets custom values Instead of repeating code, one constructor calls another using this() 🔹 Syntax this(parameterList); 🔹 Example of this() Statement class Student {     Student() {         this(101, "Rahul");   ...