1. What is the output of the following program? Explain why? public class Boy{ int age = 10; } public class School{ public static void main(String[] args){ Boy b1 = new Boy(); System.out.println(“Age...

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Extracted text: 1. What is the output of the following program? Explain why? public class Boy{ int age = 10; } public class School{ public static void main(String[] args){ Boy b1 = new Boy(); System.out.println(“Age = "+ b1.age); Boy b2 = b1; System.out.println(“Age ="+ b2.age); b2.age = 15; System.out.println(“Age = "+ b1.age); } }