Simple problem in java

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A Repository with simple Java exercises, so everyone can learn to program in Java!

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DiegoKrupitza/Simple-Java-Exercises-for-Beginners

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Readme.md

Simple Java Exercises for Beginners

In this repository you will find many ways to test your newly learned Javaskills. The StdDraw Framework from Princeton is used several times. That’s why I recommend you take a look at it!

I hope this repo helps many programmers in Java!

The description of the tasks are most above in each Java class. Since these are simple Java tasks, we do not want to program unbound object-oriented here. The description of the tasks are not from me (I found them everywhere on the internet and thought they were good for practicing). Because of this they are sometimes not very clear or leave a lot of room for interpretation.

A detailed description of the Task can be found here

In case you have a good idea for a new tasks please:

• open a new issue and tag it with «Task Idea»
• describe the requirements precise
• let us know why you think that the task could help others and for what it aims for

String Tasks

Working with arrays and methods

• Task 31
• Task 32
• Task 33
• Task 34
• Task 35
• Task 36
• Task 37
• Task 38
• Task 39
• Task 40
• Task 41
• Task 42
• Task 43
• Task 44

Drawing Tasks with StdDraw

In case you would like to contact me (credits, . ) I am at your service

Discord: KingD#1462

About

A Repository with simple Java exercises, so everyone can learn to program in Java!

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A Repository with simple Java exercises, so everyone can learn to program in Java!

License

DiegoKrupitza/Simple-Java-Exercises-for-Beginners

This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?

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Please sign in to use Codespaces.

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Readme.md

Simple Java Exercises for Beginners

In this repository you will find many ways to test your newly learned Javaskills. The StdDraw Framework from Princeton is used several times. That’s why I recommend you take a look at it!

I hope this repo helps many programmers in Java!

The description of the tasks are most above in each Java class. Since these are simple Java tasks, we do not want to program unbound object-oriented here. The description of the tasks are not from me (I found them everywhere on the internet and thought they were good for practicing). Because of this they are sometimes not very clear or leave a lot of room for interpretation.

A detailed description of the Task can be found here

In case you have a good idea for a new tasks please:

• open a new issue and tag it with «Task Idea»
• describe the requirements precise
• let us know why you think that the task could help others and for what it aims for

String Tasks

Working with arrays and methods

• Task 31
• Task 32
• Task 33
• Task 34
• Task 35
• Task 36
• Task 37
• Task 38
• Task 39
• Task 40
• Task 41
• Task 42
• Task 43
• Task 44

Drawing Tasks with StdDraw

In case you would like to contact me (credits, . ) I am at your service

Discord: KingD#1462

About

A Repository with simple Java exercises, so everyone can learn to program in Java!

Источник

HackerRank Java Varargs — Simple Addition solution

In this HackerRank Java Varargs — Simple Addition problem in java programming Your task is to create the class Add and the required methods so that the code prints the sum of the numbers passed to the function add.

HackerRank Java Varargs — Simple Addition problem solution.

import java.io.*; import java.lang.reflect.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; class Add < public void add(int. intArgs) < int sum = 0; String separator = ""; for (int i : intArgs) < sum += i; System.out.print(separator + i); separator = "+"; >System.out.println("=" + sum); > > public class Solution < public static void main(String[] args) < try< BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); int n1=Integer.parseInt(br.readLine()); int n2=Integer.parseInt(br.readLine()); int n3=Integer.parseInt(br.readLine()); int n4=Integer.parseInt(br.readLine()); int n5=Integer.parseInt(br.readLine()); int n6=Integer.parseInt(br.readLine()); Add ob=new Add(); ob.add(n1,n2); ob.add(n1,n2,n3); ob.add(n1,n2,n3,n4,n5); ob.add(n1,n2,n3,n4,n5,n6); Method[] methods=Add.class.getDeclaredMethods(); Setset=new HashSet<>(); boolean overload=false; for(int i=0;i set.add(methods[i].getName()); > if(overload) < throw new Exception("Overloading not allowed"); >> catch(Exception e) < e.printStackTrace(); >> > 

Second solution

import java.io.*; import java.lang.reflect.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; class Add < public void add(Integer. arguments) < Integer numArgs = arguments.length; Integer total = 0; StringBuilder sb = new StringBuilder(); for(int i =0; i < numArgs; i++) < Integer arg = arguments[i]; total += arg; if(i != 0) < sb.append("+"); >sb.append(arg); > sb.append("=").append(total); System.out.println(sb.toString()); > > public class Solution < public static void main(String[] args) < try< BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); int n1=Integer.parseInt(br.readLine()); int n2=Integer.parseInt(br.readLine()); int n3=Integer.parseInt(br.readLine()); int n4=Integer.parseInt(br.readLine()); int n5=Integer.parseInt(br.readLine()); int n6=Integer.parseInt(br.readLine()); Add ob=new Add(); ob.add(n1,n2); ob.add(n1,n2,n3); ob.add(n1,n2,n3,n4,n5); ob.add(n1,n2,n3,n4,n5,n6); Method[] methods=Add.class.getDeclaredMethods(); Setset=new HashSet<>(); boolean overload=false; for(int i=0;i set.add(methods[i].getName()); > if(overload) < throw new Exception("Overloading not allowed"); >> catch(Exception e) < e.printStackTrace(); >> > 

Posted by: YASH PAL

Yash is a Full Stack web developer. he always will to help others. and this approach takes him to write this page.

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Java Program to Solve Simple Banking Problem

We have already written C++ Program to solve Simple Banking Problem, Now let us solve this using Java. In this program we are using two classes, bankInternal and Bank which carry out the required operations.

bankInternal has a constructor which gathers all the required information like account number, initial balance of the account. Deposit method is used to deposit money in the account and withdraw method is used to withdraw money from the account, if there is sufficient balance in the account.

Bank contains the main method which creates object to the bankInternal class. We have created object named myObj and calling only deposit() and withdraw() methods as we don’t need to call bankInternal() because it is a constructor and it will be called once the object is created.

Java Program to Solve Simple Banking Problem

import java.util.Scanner; class bankInternal < int acno; float bal=0; Scanner get = new Scanner(System.in); bankInternal() < System.out.println("Enter Account Number:"); acno = get.nextInt(); System.out.println("Enter Initial Balance:"); bal = get.nextFloat(); >void deposit() < float amount; System.out.println("Enter Amount to be Deposited:"); amount = get.nextFloat(); bal = bal+amount; System.out.println("Deposited! Account Balance is "+bal); >void withdraw() < float amount; System.out.println("Enter Amount to be Withdrawn:"); amount = get.nextFloat(); if(amountelse < System.out.println("Insufficient funds!!"); >> > public class Bank < public static void main(String[] args) < bankInternal myObj = new bankInternal(); myObj.deposit(); myObj.withdraw(); >>

Output:

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