Answer Posted / hitesh

public static void main(String[] args) {

String s1 = "aaabbccccaaa";
String s2 = " ";
for (int i = 0; i < s1.length(); i++) {
if (i == 0) {
s2 = s2.concat("" + (s1.charAt(i)));
}

if (s2.contains(s1.charAt(i) + "")) {
continue;
} else {
s2 = s2.concat("" + (s1.charAt(i)));
}
}
System.out.println(s2);
}

What is try-with-resources in java?

1178

---

If a class is declared without any access modifiers, where can the class be accessed?

1067

---

Is vector synchronized in java?

1010

---

What is append function?

1008

---

What does i ++ mean in Java?

961

---

Why are arrays useful in java?

1039

---

When do you get classcastexception?

1036

---

Is list thread safe in java?

929

---

What is the byte order of byte buffer?

1024

---

Explain thread life cycle in java?

1043

---

explain local datetime api in java8?

1021

---

How to change the priority of thread or how to set the priority of thread?

1041

---

What is sortedmap in java?

1038

---

How do you implement polymorphism in our day to day life?

3235

---

What are parsing rules?

996

---