class dua
{
    public static void main(String[] args)
    {
        String str1 = "Teknik";
        String str2 = "Informatika";
        String str3 = "FTIF";
        System.out.println("String 1:"+str1);
        System.out.println("String 2:"+str2);
        System.out.println("String 3:"+str3);
        System.out.println("String 1 = String 3 ==> "+str1.equals(str3));
        System.out.println("String 2 = String 3 ==> "+str2.equals(str3));
        System.out.println("String 1 + String 2 = String 3 ==> "+(str1+str2).equals(str3));
        String str4 = "Institut Teknologi Sepuluh Nopember";
        String str5 = "institut teknologi sepuluh nopember";
        System.out.println("String 4:"+str4);
        System.out.println("String 5:"+str5);
        System.out.println("Perintah Pembandingan dibawah mengabaikan antara huruf besar dengan huruf kecil");
        System.out.println("String 4 = String 5 ==> " +str4.equalsIgnoreCase(str5));
        System.out.println("String 4 + String 5 = String 5 + String 4 ==> "
        +(str4+str5).equalsIgnoreCase(str5+str4));
        String str6 = "FTIF";
        String str7 = new String(str6);
        String str8 = "ftif";
        String str9 = "FTIF";
        System.out.println("String 6:"+str6);
        System.out.println("String 7:"+str7);
        System.out.println("String 8:"+str8);
        System.out.println("String 9:"+str9);
        System.out.println("Perintah Pembandingan dengan ==");
        System.out.println("String 6 = String 7 ==> "+ (str6==str7));
        System.out.println("String 6 = String 8 ==> "+ (str6==str8));
        System.out.println("String 6 = String 9 ==> "+ (str6==str9));
    }
}