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Javascript 2022-03-18 07:30:11
reverse keys and values in object javascript
//The concise way by using ES6 syntax like this. const obj = {A : 1, B : 2, C : 3, D : 4} function objectFlip(obj) { return Object.entries(obj).reduce((acc, [key, value]) => (acc[value] = key, acc), {}) } console.log('input: ',obj); console.lo... Add solution -
Java 2022-03-18 03:30:02
remove item from arraylist in java
// Java.util.ArrayList.remove(Object) method example import java.util.ArrayList; import java.util.List; public class ArrayListRemoveObjectMethod { public static void main(String[] args) { List<Integer> al = new ArrayList<>(); ... Add solution -
Java 2022-02-02 07:00:22
How to remove element from arraylist in java
// java program on ArrayList remove(int index) method example import java.util.ArrayList; import java.util.List; public class ArrayListRemoveIndex { public static void main(String[] args) { List<Integer> al = new ArrayList<>(); ... Add solution -
Java 2022-01-22 19:20:09
Find minimum and maximum values in a java array
// Java program to find maximum and minimum number without using array import java.util.Scanner; public class MaximumMinimumWithoutArray { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println(&... Add solution -
Java 2021-11-10 15:04:18
java arraylist remove
// java program on ArrayList remove(int index) method example import java.util.ArrayList; import java.util.List; public class ArrayListRemoveIndex { public static void main(String[] args) { List<Integer> al = new ArrayList<>(); ... Add solution -
Java 2021-10-27 14:52:07
Java program to find maximum and minimum number without using array
// Java program to find maximum and minimum number without using array import java.util.Scanner; public class MaximumMinimumWithoutArray { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println(&... Add solution -
Python 2021-10-25 15:12:06
how to add new column to dataframe
#using the insert function: df.insert(location, column_name, list_of_values) #example df.insert(0, 'new_column', ['a','b','c']) #explanation: #put "new_column" as first column of the dataframe #and puts 'a','b' and 'c' as values #using array-l... Add solution -
Java 2021-10-11 23:06:04
arraylist remove value in java
// java program on ArrayList remove(int index) method example import java.util.ArrayList; import java.util.List; public class ArrayListRemoveIndex { public static void main(String[] args) { List<Integer> al = new ArrayList<>(); ... Add solution
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