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Java Conversions and Promotions
We can convert one data types into another data type using casting.
Narrowing Conversion
Narrowing refers to passing a higher size data type like int to a lower size data type like short. It may lead to data loss. Following program output will be 44.
public class MyFirstJavaProgram { public static void main(String []args) { int a = 300; byte b = (byte)a; // narrowing System.out.println(b); } }
Widening/Promotion Conversion
Widening refers to passing a lower size data type like int to a higher size data type like long.
public class MyFirstJavaProgram { public static void main(String []args) { int a = 300; long b = a; System.out.println(b); } }
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