Create String_subsets.java

Misc/String_subsets.java

@@ -0,0 +1,25 @@
+public class AllSubsets {  
+    public static void main(String[] args) {  
+
+        String str = "FUN";  
+        int len = str.length();  
+        int temp = 0;  
+        //Total possible subsets for string of size n is n*(n+1)/2  
+        String arr[] = new String[len*(len+1)/2];  
+
+        //This loop maintains the starting character  
+        for(int i = 0; i < len; i++) {  
+            //This loop adds the next character every iteration for the subset to form and add it to the array  
+            for(int j = i; j < len; j++) {  
+                arr[temp] = str.substring(i, j+1);  
+                temp++;  
+            }  
+        }  
+
+        //This loop prints all the subsets formed from the string.  
+        System.out.println("All subsets for given string are: ");  
+        for(int i = 0; i < arr.length; i++) {  
+            System.out.println(arr[i]);  
+        }  
+    }  
+}