Update java-programs.md

Author: learning-zone

java-programs.md

@@ -84,8 +84,10 @@ Output
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-## Q. Write a program to generate random numbers between the given range?
-*TODO*
+#### Q. Write a program to generate random numbers between the given range?
+
+*ToDo*
+
 ## Q. Write a java program to swap two string variables without using temp variable?
 **Approach**