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Author: divScorp

String/StringR.java

@@ -0,0 +1,54 @@
+import java.util.Scanner;
+/*
+	Input:  This is my country
+	Output: sihT is ym country 
+*/
+public class StringR {
+
+	public static String[] split(String s) {
+		int c = 0;
+		for (int i = 0; i < s.length(); i++) {
+			if (s.charAt(i) == ' ') {
+				c += 1;
+			}
+		}
+		String[] st = new String[c + 1];
+		String t = "";
+		int j = 0;
+		for (int i = 0; i < s.length(); i++) {
+			if (s.charAt(i) != ' ') {
+				t += s.charAt(i);
+			} else {
+				st[j++] = t;
+				t = "";
+			}
+		}
+		st[j] = t;
+		return st;
+	}
+
+	public static String reverse(String str) {
+		StringBuilder rev = new StringBuilder("");
+		if(str==null)return null;
+		for(int i=str.length()-1;i>=0;i--) {
+			rev.append(str.charAt(i));
+		}
+		return rev.toString();
+	}
+
+	public static void main(String[] args) {
+		Scanner sc = new Scanner(System.in);
+		System.out.println("Enter the String: ");
+		String s = sc.nextLine();
+		sc.close();
+		String temp="";
+		String[] words=split(s);
+		for(int i=0;i<words.length;i++) {
+		      if(i%2 == 0)
+			temp+=reverse(words[i])+" ";
+		      else
+			temp+=words[i]+" ";
+		}
+		System.out.println(temp);
+	}
+}