public class HelloWorld{ public static void main(String []args){ char caracter='a'; String cadena="juan jesus"; char caracterDos='e'; String cadenaDos= "jimenez"; System.out.println(cadena+cadenaDos); } }
import java.util.Scanner; public class ProgramacondicionesAnidadas2 { public static void main(String[] args) { Scanner teclado=new Scanner(System.in); //----------------VARIABLES--------------- double p,e,imc; //----------------ENTRADAS---------------- System.out.println("Cual es su peso "); p= teclado.nextDouble(); System.out.println("Cual es tu estatura"); e= teclado.nextDouble(); //----------------CALCULO---------------- imc= p/(e*e); System.out.println("SU IMC ES: "+imc); //--------SITUACION IMC POR PERSONA------- if (imc<18.5) { System.out.println("BAJO PESO"); } else if (imc>=18.5 && imc<=24.9) { System.out.println("NORMAL"); } else if (imc>=25 && imc<=29.9) { System.out.println("SOBREPESO"); } else { System.out.println("OBESIDAD"); } } }
import java.util.concurrent.Executors; import java.util.concurrent.ThreadPoolExecutor; import java.util.concurrent.TimeUnit; public class TestThread { public static void main(final String[] arguments) throws InterruptedException { ThreadPoolExecutor executor = (ThreadPoolExecutor)Executors.newCachedThreadPool(); //Stats before tasks execution System.out.println("Largest executions: " + executor.getLargestPoolSize()); System.out.println("Maximum allowed threads: " + executor.getMaximumPoolSize()); System.out.println("Current threads in pool: " + executor.getPoolSize()); System.out.println("Currently executing threads: " + executor.getActiveCount()); System.out.println("Total number of threads(ever scheduled): " + executor.getTaskCount()); executor.submit(new Task()); executor.submit(new Task()); //Stats after tasks execution System.out.println("Core threads: " + executor.getCorePoolSize()); System.out.println("Largest executions: " + executor.getLargestPoolSize()); System.out.println("Maximum allowed threads: " + executor.getMaximumPoolSize()); System.out.println("Current threads in pool: " + executor.getPoolSize()); System.out.println("Currently executing threads: " + executor.getActiveCount()); System.out.println("Total number of threads(ever scheduled): " + executor.getTaskCount()); executor.shutdown(); } static class Task implements Runnable { public void run() { try { Long duration = (long) (Math.random() * 5); System.out.println("Running Task! Thread Name: " + Thread.currentThread().getName()); TimeUnit.SECONDS.sleep(duration); System.out.println("Task Completed! Thread Name: " + Thread.currentThread().getName()); } catch (InterruptedException e) { e.printStackTrace(); } } } }
//How do you find the missing number in a given integer array of 1 to 100 import java.util.*; import java.util.Arrays; import java.util.List; public class HelloWorld{ public static void main(String []args){ // System.out.println("Hello World"); List<Integer> numbers = new ArrayList<Integer>(); numbers.add(1); numbers.add(3); numbers.add(90); numbers.add(95); List<Integer> missingNum = new ArrayList<Integer>(); int status = 1; for(int i=0;i<numbers.size();i++){ if(status == numbers.get(i)){ status++; }else{ int num=numbers.get(i); for(int j=status;j<num;j++){ missingNum.add(j); } status=numbers.get(i)+1; } } if(status!=100){ for(int i=status;i<=100;i++){ missingNum.add(i); } } for(int i=0;i<missingNum.size();i++){ System.out.println(missingNum.get(i)); } } }
abstract class GameObject { public abstract void touch(GameObject other); // NOTE: This is ugly because these two definitions need to be in the main // class, it could be avoided by some more functionality i think? public abstract void touch(Mazub other); public abstract void touch(Plant other); } class Mazub extends GameObject { @Override public void touch(GameObject other) { other.touch(this); } @Override public void touch(Plant plant) { System.out.println("Mazub touches Plant"); } @Override public void touch(Mazub mazub) { System.out.println("Mazub touches Mazub"); } } class Plant extends GameObject { @Override public void touch(GameObject other) { other.touch(this); } @Override public void touch(Mazub mazub) { System.out.println("Plant touches Mazub"); } @Override public void touch(Plant plant) { System.out.println("Plant touches Plant"); } } public class HelloWorld { public static void main(String []args) { GameObject a = new Mazub(); GameObject b = new Plant(); a.touch(b); b.touch(a); } }
class Area { int s1,s2,s3; Area(int s1) { int a; this.s1=s1; a=this.s1*this.s1*3.141; System.out.println("The area of circle is"+a); } Area(int l,int b) { int a; s1=l; s2=b; a=s1*s2; System.out.println("The area of rectangle is"+a); } Area(int a,int b,int c) { int s,ar; s1=a; s2=b; s3=c; s=(s1+s2+s3)/2; ar=(s*(s-s1)*(s-s2)*(s-s3))^(1/2); System.out.println("The area of triangle"+ar); } } public class AreaDemo { public static void main(String args[]) { Area a1=new Area(5); Area a2=new Area(5,10); Area a3=new Area(5,6,7); } }
class Area { int s1,s2,s3; void Area(int s1) { int a; this.s1=s1; a=this.s1*this.s1*3.141; System.out.println("The area of circle is"+a); } void Area(int l,int b) { int a; s1=l; s2=b; a=s1*s2; System.out.println("The area of rectangle is"+a); } void Area(int a,int b,int c) { int s,ar; s1=a; s2=b; s3=c; s=(s1+s2+s3)/2; ar=(s*(s-s1)*(s-s2)*(s-s3))^(1/2); System.out.println("The area of triangle"+ar); } } public class AreaDemo { public static void main(String args[]) { Area a1=new Area(); a1.Area(5); a1.Area(5,10); a1.Area(5,6,7); } }
public class Add { public static void main(String... ags) { int x=5,y=6,z; z=x+y; System.out.println("sum="+z); } }
package com.tutorialspoint; import java.util.Arrays; public class ArrayDemo { public static void main(String[] args) { // intializing an array arr1 long[] arr1 = new long[] {15, 10, 45}; // printing the array System.out.println("Printing 1st array:"); for (int i = 0; i < arr1.length; i++){ System.out.print(arr1[i]+" "); } System.out.println(""); // copying array arr1 to arr2 with newlength as 5 long[] arr2 = Arrays.copyOf(arr1, 16); // printing the array arr2 System.out.println("Printing new array:"); for (int i = 0; i < arr2.length; i++) { System.out.print(arr2[i]+" "); } } }
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