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Author: HARSH-VATS-6

classstr.java

@@ -0,0 +1,41 @@
+//string class can not give to permission to change their data
+//in this we can only check that what character is an in which index it is present
+public class norstring h {
+
+    public static void main(String[] args)
+    {
+        String str1=new String("test string");
+        System.out.println("the str1 is = "+str1);
+
+        String str2 =new String(str1);
+        System.out.println("str2 is = "+str2);
+
+        String str3=new String();
+        System.out.println("the str3 is = "+str3);
+
+        String str4 =new String("another string");
+        System.out.println("the last string is = "+str4);
+
+        System.out.println("the str1 length is = "+str1.length());
+        System.out.println("the str2 length is = "+str2.length());
+        System.out.println("the str3 length is = "+str3.length());
+        System.out.println("the str4 length is = "+str4.length());
+
+        System.out.println("String1 character at 3 = "+str1.charAt(3));
+        System.out.println("String1 index of character t = "+str1.indexOf('t'));
+        System.out.println("string1 last index of character t = "+str1.lastIndexOf('t'));
+        System.out.println("the string starting from index i to lastchr = "+str1.substring(0,9));
+        System.out.println("string1 substring from index 1 to lastchr = "+str1.substring(0));
+
+        if(str1==str2)
+        {
+            System.out.println("euqal");
+        }
+        else
+        {
+            System.out.println("not equal");
+        }
+
+        System.out.println(str1.equals(str2));
+    }
+}