JAVA

find all possible substrings of a string java

for (int i = 0; i < A.length(); i++) {
    for (int j = i+1; j <= A.length(); j++) {
        System.out.println(A.substring(i,j));
    }
}

find all substrings of string in java

//Java program to print all possible
// substrings of a given string
 
class GFG {
 
// Function to print all sub strings
    static void subString(char str[], int n) {
        // Pick starting point
        for (int len = 1; len <= n; len++) {
            // Pick ending point
            for (int i = 0; i <= n - len; i++) {
                //  Print characters from current
                // starting point to current ending
                // point. 
                int j = i + len - 1;
                for (int k = i; k <= j; k++) {
                    System.out.print(str[k]);
                }
 
                System.out.println();
            }
        }
    }
 
// Driver program to test above function
    public static void main(String[] args) {
        char str[] = {'a', 'b', 'c'};
        subString(str, str.length);
 
    }
}
// This code is contributed by PrinciRaj1992