What is a constructor initializer list?

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Constructor Initializer List is a bassically a use for a some valid values.Its Main purpose of the contstuctor is to initialize the data members with some valid values.This can be done in two ways :
> To initialise a const
> To initialise a reference

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What is output of following code package r4r.co.in.core.java; public class HelloWorld { int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { int i; i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { static int i; i = 10; System.out.println(i); } }
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What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { final int i=0; i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { static final int i=0; i = 10; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); new HelloWorld(); } static { static int i=0; i = 10; System.out.println(i); } }
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What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); display(); } static void display(){ i=90; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); display(); } static void display(){ int i=0; i=90; System.out.println(i); } }
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What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); HelloWorld h=new HelloWorld(); h.display(); } void display(){ int i=0; i=90; System.out.println(i); } }
What is output of following code package r4r.co.in.core.java; public class HelloWorld { static int i = 0; public static void main(String args[]) { System.out.println(i); display(); HelloWorld h=new HelloWorld(); h.display(); } void display(){ int i=0; i=90; System.out.println(i); } }
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