내 인생에도 예쁜 꽃이 피었으면 좋겠다

https://www.hackerrank.com/challenges/java-substring/problem?isFullScreen=true Java Substring | HackerRank Given a string, print a substring for a range of indices. www.hackerrank.com import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { public static void main(String[] args) { Scanner in = new Scanner(System.in); String S..

https://www.hackerrank.com/challenges/java-strings-introduction/problem?isFullScreen=true Java Strings Introduction | HackerRank Learn how to declare a string and perform basic operations. www.hackerrank.com import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) { Scanner sc=new Scanner(System.in); String A=sc.next(); String B=sc.next(); /* Enter you..

https://www.hackerrank.com/challenges/java-currency-formatter/problem?isFullScreen=true Java Currency Formatter | HackerRank Format Currency in Java www.hackerrank.com [에러1] import java.util.*; import java.text.*; public class Solution { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); double payment = scanner.nextDouble(); scanner.close(); // Write your code he..

https://www.hackerrank.com/challenges/java-date-and-time/problem?isFullScreen=true Java Date and Time | HackerRank Print the day of a given date. www.hackerrank.com https://docs.oracle.com/javase/7/docs/api/constant-values.html#java.util.Calendar.DAY_OF_WEEK Constant Field Values (Java Platform SE 7 ) docs.oracle.com import java.io.*; import java.math.*; import java.security.*; import java.text...

https://www.hackerrank.com/challenges/java-static-initializer-block/problem?isFullScreen=true Java Static Initializer Block | HackerRank Initialize some variables using Static initialization blocks! www.hackerrank.com import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { // Write your code here //https://docs.oracle.com/ja..

https://www.hackerrank.com/challenges/java-datatypes/problem?isFullScreen=true Java Datatypes | HackerRank Learn about different Java Datatypes. www.hackerrank.com import java.util.*; import java.io.*; //https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html class Solution{ public static void main(String []argh) { Scanner sc = new Scanner(System.in); int t=sc.nextInt(); for(int..

https://www.hackerrank.com/challenges/java-loops/problem?isFullScreen=true Java Loops II | HackerRank Use loops to find sum of a series. www.hackerrank.com import java.util.*; import java.io.*; class Solution{ public static void main(String []argh){ Scanner in = new Scanner(System.in); int tc=in.nextInt(); for(int i=0;i

https://www.hackerrank.com/challenges/java-loops-i/problem?isFullScreen=true Java Loops I | HackerRank Let's talk about loops. www.hackerrank.com import java.io.*; import java.math.*; import java.security.*; import java.text.*; import java.util.*; import java.util.concurrent.*; import java.util.regex.*; public class Solution { public static void main(String[] args) throws IOException { BufferedR..

https://www.hackerrank.com/challenges/java-output-formatting/problem?isFullScreen=true Java Output Formatting | HackerRank Format a string using printf. www.hackerrank.com public class Solution { public static void main(String[] args) { Scanner sc=new Scanner(System.in); System.out.println("================================"); for(int i=0;i

https://www.hackerrank.com/challenges/java-stdin-stdout/problem?isFullScreen=true Java Stdin and Stdout II | HackerRank Familiarize yourself with Standard Input/Output. www.hackerrank.com import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner scan = new Scanner(System.in); String s = ""; int i = 0; double d = 0; if(scan.hasNext()){ i = Integer.parseInt..