postgresql add enum value
ALTER TYPE enum_type ADD VALUE 'new_value'; -- appends to list
ALTER TYPE enum_type ADD VALUE 'new_value' BEFORE 'old_value';
ALTER TYPE enum_type ADD VALUE 'new_value' AFTER 'old_value';postgresql add enum value
ALTER TYPE enum_type ADD VALUE 'new_value'; -- appends to list
ALTER TYPE enum_type ADD VALUE 'new_value' BEFORE 'old_value';
ALTER TYPE enum_type ADD VALUE 'new_value' AFTER 'old_value';enum set in java
EnumSet<Gfg> set1, set2, set3, set4;
// Adding elements
set1 = EnumSet.of(Gfg.QUIZ, Gfg.CONTRIBUTE,
Gfg.LEARN, Gfg.CODE);
set2 = EnumSet.complementOf(set1);
set3 = EnumSet.allOf(Gfg.class);
set4 = EnumSet.range(Gfg.CODE, Gfg.CONTRIBUTE);
System.out.println("Set 1: " + set1);
System.out.println("Set 2: " + set2);
System.out.println("Set 3: " + set3);
System.out.println("Set 4: " + set4);java set value of arraylist
import java.util.ArrayList;
public class SetExample {
public static void main(String args[]) {
ArrayList<Integer> arraylist = new ArrayList<Integer>();
arraylist.add(1);
System.out.println(arrayList.get(0));
//1
arrayList.set(0, 2)
System.out.println(arrayList.get(0));
//2
}
}Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
