ืืขืจืืื ืคืฉืืืื ื-Java ืืื ื ืืฆืืขืื ืฉืื ืฉืืื ืืขืืืื ืื ืืืืคื ืฉื ืืืื ื. ืขื ืืืช ื- ArrayList replace ืืื ืื ื ืื ืืืืฉืื ืืืืฆืขืืช ืฉืืืช ืืกื .
ืืืชืจืช ืฉืืื
arrayList.set(int index, dataType arrayListElement);
ืคืจืืืจืื
ืืฉืืื ืืืงืืช 2 ืคืจืืืจืื.-
int index - ืืจืืฉืื ืืื ืืืื ืืงืก ืฉื ืืืืื ื ื- ArrayList .
-
dataType arrayListElement - ืืคืจืืืจ ืืฉื ื ืืื ืื ืชืื ืื ืฉืืฉ ืืืืืืฃ ืืืื ืืงืก ืฉืฆืืื.
ืกืื ืืืืจื
ืืฉืืื ืืืืืจื ืืช ืืืชื ืืืื ื ArrayList ืฉืื ืขืชื ืืืืืฃ.ืืืืื 1 - ืืืืฃ ืืืื ื ืืฉืืืช set()
import java.util.ArrayList;
import java.util.List;
public class DriverClass {
public static void main(String[] args) {
List <String> weekDays = new ArrayList<>();
weekDays.add("Monday");
weekDays.add("Monday");
weekDays.add("Wednesday");
weekDays.add("Thursday");
weekDays.add("Friday");
weekDays.add("Saturday");
weekDays.add("Sunday");
System.out.println("Week Days (original) : " + weekDays + "\n");
String replacingText = "Tuesday";
String replacedText = weekDays.set(1, replacingText);
System.out.println("Replacing Text: " + replacingText);
System.out.println("Replaced Text: " + replacedText + "\n");
System.out.println("Week Days (updated) : " + weekDays);
}
}
ืชึฐืคืึผืงึธื
ืืื ืฉืืืข (ืืงืืจื): [ืฉื ื, ืฉื ื, ืจืืืขื, ืืืืฉื, ืฉืืฉื, ืฉืืช, ืจืืฉืื] ืืืืคืช ืืงืกื: ืืงืกื ืืืืืฃ ืืืื ืฉื ื: ืืื ืฉืืืข ืฉื ื (ืืขืืืื ืื) : [ืฉื ื, ืฉืืืฉื, ืจืืืขื, ืืืืฉื, ืฉืืฉื, ืฉืืช, ืจืืฉืื]
ืึถืกืึผึตืจ
ืืงืืข ืฉืืืขืื, ืืื ืืื ืืชืืืกืคืื ืืจืฉืืืช ืืขืจื ืืืงืืจ. ืขื ืืืช, ืืื ืฉื ื ื ืืกืฃ ืคืขืืืื ืืืื ืฉืืืฉื ืืกืจ. ืื, ืื ืื ื ืืืืืคืื ืืืชื ืขื ืืื ืฉืืืฉื ืืืื ืืจืืฉืื. ืื ื ืขืฉื ืขื ืืื ืฉืืืืฉ ืืฉืืืช set() . ืืืื ืขืืืจืื ืืื ืืงืก "1" ืืืืืคืช ืืงืกื ืืืืืจ "ืืื ืฉืืืฉื". ืืืืืจ ืืืชืจ, ืื ื ืืืคืืกืื ืืช ArrayList ืืงืื ืกืืื ืืื ืืจืืืช ืืช ืืขืืืื ืื.ืืืืื 2
import java.util.ArrayList;
import java.util.List;
public class DriverClass1 {
public static void main(String[] args) {
List<Integer> dieRoll = new ArrayList<>();
dieRoll.add(0);
dieRoll.add(1);
dieRoll.add(2);
dieRoll.add(3);
dieRoll.add(4);
dieRoll.add(5);
System.out.println("Die Roll (original) : " + dieRoll + "\n");
dieRoll.set(0, 1);
dieRoll.set(1, 2);
dieRoll.set(2, 3);
dieRoll.set(3, 4);
dieRoll.set(4, 5);
dieRoll.set(5, 6);
System.out.println("Die Roll (updated) : " + dieRoll);
}
}
ืชึฐืคืึผืงึธื
Die Roll (ืืงืืจื): [0, 1, 2, 3, 4, 5] Die Roll (ืืขืืืื) : [1, 2, 3, 4, 5, 6]
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