Percobaan String

class Main {
    public static void main(String[] args) {
        //percobaan 1
        System.out.println("=== Percobaan 1 ===");
        String str1 = "STMIKDN";
        String str2 = "stmikdn";
        System.out.println(str1 + "\n" + str2);
        
        //percobaan 2
        System.out.println("\n=== Percobaan 2 ===");
        String str3 = "STMIKDN";
        String str4 = "stmikdn";
        System.out.println(str1.equals(str3));
        System.out.println(str1.equalsIgnoreCase(str4));
        
        //percobaan 3
        System.out.println("\n=== Percobaan 3 ===");
        String str5 = "Monas";
        System.out.println(str5);
        String str6 = "monas";
        System.out.println(str6);
        String str7 = str5 + str6;
        System.out.println(str7);
        String str8 = str5.concat(str6);
        System.out.println(str8);
        str5 += str6;
        System.out.println(str5);
        
        
        //percobaan 4
        System.out.println("\n=== Percobaan 4 ===");
        int nilai = 100;
        nilai = nilai * 2;
        System.out.println("Angka " + 1 + " adalah angka pertama bilangan bulat positif");
        System.out.println("100 x 2 = " + nilai);
        
        //percobaan 5
        System.out.println("\n=== Percobaan 5 ===");
        String nama = "Dora";
        nama = nama.replace("Dor", "Ti");
        System.out.println(nama);

    }
}