39 lines
1.3 KiB
Java
39 lines
1.3 KiB
Java
public class AutoBoxUnBoxDemo {
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public static void main(String[] args) {
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// Autoboxing examples
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Integer intObj = 10;
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Double doubleObj = 3.14;
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Character charObj = 'A';
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Boolean boolObj = true;
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System.out.println("Autoboxing examples:");
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System.out.println("Integer: " + intObj);
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System.out.println("Double: " + doubleObj);
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System.out.println("Character: " + charObj);
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System.out.println("Boolean: " + boolObj);
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// Unboxing examples
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int intValue = intObj;
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double doubleValue = doubleObj;
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char charValue = charObj;
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boolean boolValue = boolObj;
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System.out.println("\nUnboxing examples:");
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System.out.println("int: " + intValue);
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System.out.println("double: " + doubleValue);
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System.out.println("char: " + charValue);
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System.out.println("boolean: " + boolValue);
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// Demonstrating autoboxing in method calls
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printObject(50); // autoboxing int to Integer
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// Demonstrating unboxing in expressions
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Integer sum = intObj + 5; // unboxing for addition, then autoboxing result
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System.out.println("\nSum after unboxing and autoboxing: " + sum);
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}
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public static void printObject(Object obj) {
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System.out.println("\nObject passed: " + obj);
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}
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}
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