// A simple java code demonstrating a grading system
package grading_system_solution;
import java.util.Scanner;
public class Grading_System_solution {
public static void main(String[] args) {
Scanner inputs= new Scanner(System.in);
String lecturer_name;
double classmark,testmark,midsemmark,exammark;
int lecturer_password=6765;
System.out.println("\t\t\t\t\n\nKOFORIDUA TECHNICAL UNIVERSITY");
System.out.println("\t\t\t\t\n\nTHE STUDENT RESULT UPLOAD PORTAL");
System.out.println("\t\t\t\t\n\n WELCOME");
// lets authenticate the lecturer
System.out.println("please enter your username and password");
System.out.println("\nplease enter username");
lecturer_name=inputs.next();
System.out.println("Password");
lecturer_password=inputs.nextInt();
// lets initialise the lecturers password to be 6765
System.out.println("Authentication in progress...it won't take long");
if(lecturer_password==6765){
Thread wow= new Thread();
try {
for(int counter=0;counter<=9;counter++){
counter++;
if(counter==0){
wow.sleep(1000);
System.out.println("LOADING.");
System.out.print(".");
}else if(counter==1){
wow.sleep(950);
System.out.print(".");
}else if(counter==2){
wow.sleep(900);
System.out.print(".");
}else if(counter==3){
wow.sleep(700);
System.out.print("....");
}
else if(counter==4){
wow.sleep(800);
System.out.print(".....");
}else if(counter==5){
wow.sleep(1000);
System.out.print(".......");
}else if(counter==6){
wow.sleep(500);
System.out.print("........");
}else if(counter==7){
wow.sleep(200);
System.out.print("...");
}else if(counter==8){
wow.sleep(100);
System.out.print("....");
}else{
wow.sleep(1500);
System.out.print(".");
System.out.println("\n\nauthentication completed");
System.out.println("please enter student class mark");
classmark=inputs.nextDouble();
if(classmark<0 classmark="">10){
System.out.println("invalid entery");
}else{
System.out.println("proceed to enter student class Test Mark");
testmark=inputs.nextDouble();
if(testmark<0 testmark="">10){
System.out.println("invalid entery");
}else{
System.out.println("proceed to enter student mid semester Mark");
midsemmark=inputs.nextDouble();
if(midsemmark<0 midsemmark="">20){
System.out.println("invalid entry");
} else{
System.out.println("proceed to enter student end of semester Mark");
exammark=inputs.nextDouble();
if(exammark<0 exammark="">60){
System.out.println("invalid entry");
}else{
System.out.println("wait a while....data process in progress");
wow.sleep(2000);
// lets creat a header
System.out.println("\tClass_Mark(10%)\tTest_Mark(10%)\t Mid_Semester(20%)\tEnd_of_Semester(60%)\tGrade");
//lets work now work on the percentage of the entered marks
double a,b,c,d;
// a= class mark percentage
a=(classmark);
//b= class test percentage
b=(testmark);
//c= mid semester mark percentage
c=(midsemmark);
//d= end of semester mark percentage
d=(exammark);
//let declare a variable to store the total mark percentages
double store=((a+b+c+d));
System.out.println("\n\n\t\t"+a+"\t\t"+b+"\t\t"+c+"\t\t"+d);
// lets declear characters to assign grade
char A,B,C,D,F;
if(store>=85 && !(store>100)){
System.out.print("\t\t\t\t\t\t\t\t\t\t\t"+'A'+"+");
}else if(store>=80 && !(store>84)){
System.out.print("\t\t\t\t\t\t\t\t\t\t\t"+'A');
}else if(store>=75 && !(store>79)){
System.out.print("\t\t\t\t\t\t\t\t\t\t\t"+'B'+"+");
}else if(store>=70 && !(store>74)){
System.out.print("\t\t\t\t\t\t\t\t\t\t\t"+'B'+"+");
}else if(store>=65 && !(store>69)){
System.out.print("\t\t\t\t\t\t\t\t\t\t\t"+'C'+"+");
}else if(store>=60 && !(store>64)){
System.out.print("\t\t\t\t\t\t\t\t\t\t\t"+'C');
}else if(store>=55 && !(store>59)){
System.out.print("\t\t\t\t\t\t\t\t\t\t\t"+'D'+"+");
}else if(store>=50 && !(store>54)){
System.out.println('D');
}else if(store>=0 && !(store>49)){
System.out.print("\t\t\t\t\t\t\t\t\t\t\t"+'F');
}else{
System.out.println("\n\ninvalid entry");
}
System.out.println("\n\n\n\n\n");
}
}
}
}
}
}
} catch (Exception e) {
System.out.println("LOADING FAIL");
}
}
}
}
// simple program using thread.sleep do demonstrate installation.....
//# programming is fun
//brought to you by bruce....
package threades;
import javax.swing.*;
import java.awt.GridLayout;
public class sleep {
public static void main(String[] args) {
int q=0;
System.out.println("INSTALLING SOFTWARE");
callcode();
}
Thread bruce= new Thread();
static void callcode() {
try {
for(int q=0; q<=9; q++) {
Thread.sleep(1000);
System.out.print(".");
if(q==0) {
Thread.sleep(1000);
System.out.println("10%");
}else if(q==1) {
Thread.sleep(10000);
System.out.print("20%");
}else if(q==2) {
Thread.sleep(15000);
System.out.print("30%");
}else if(q==3) {
Thread.sleep(17000);
System.out.print("40%");
}else if(q==4) {Thread.sleep(10000);
System.out.print("50%");
}else if(q==5) {
Thread.sleep(10000);
System.out.print("60%");
}else if(q==6) {
Thread.sleep(20000);
System.out.print("70%");
}else if(q==7) {
Thread.sleep(10000);
System.out.print("80%");
}else if(q==8) {
Thread.sleep(10000);
System.out.print("90%");
}else {
System.out.print("100%");
System.out.println("\tInstallation finished....click on finish");
JPanel p= new JPanel();
JFrame f=new JFrame();
GridLayout g1= new GridLayout();
f.setLayout(g1);
f.setContentPane(p);
JButton b= new JButton("finish");
p.add(b);
f.setVisible(true);
f.pack();
}
}
} catch (Exception e) {
System.out.println("installation failed");
}
}
}
// ASIMPLE PROGRAM IN JAVA TO VERIFY FOR AN ODD OR AN EVEN NUMBER INPUT AS WELL AS A NEGATIVE OR POSITIVE NUMBER
package classexercise;
import java.util.Scanner;
public class Classexercise {
public static void main(String[] args) {
Scanner wow= new Scanner(System.in);
System.out.println("please enter a number");
double number=wow.nextInt();
if(Math.ceil(number/2)==(number/2)){
System.out.println("you have entered an even number");
}
else{
System.out.println("you have entered an odd number");
}
System.out.println("please enter second number");
int senumber=wow.nextInt();
if(senumber<0 a="" div="" else="" entered="" have="" nagative="" number="" positive="" system.out.println="" you="">
// A SAMPLE CODE IN JAVA FOR A GRADING SYSTEM
package javaapplication3;
import java.util.Scanner;
/**
*
* @author GAME
*/
public class JavaApplication3 {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
Scanner wow= new Scanner(System.in);
System.out.println("WELCOME TO THE STUDENT RESULT UPLOAD PORTAL");
System.out.println("******************************************");
System.out.println("welcome to the result portal");
System.out.println("plaese enter your name");
String name= wow.next();
System.out.println("your name is \t"+name);
System.out.println("please enter your mark");
int mark=wow.nextInt();
System.out.println("your entered mark is\t"+mark);
if(mark>=85 && !(mark>100)){
System.out.println("A+");
}
else if(mark>=80 && !(mark>84)){
System.out.println("A");
}
else if(mark>=75 && !(mark>79)){
System.out.println("B+");
}else if(mark>=70 && !(mark>74)){
System.out.println("B");
}else if(mark>=65 && !(mark>69)){
System.out.println("C+");
}else if(mark>=60 && !(mark>64)){
System.out.println("C");
}else if(mark>=55 && !(mark>59)){
System.out.println("D+");
}
else if(mark>=50 && !(mark>59)){
System.out.println("D");
}
else if(mark>=0 && !(mark>49)){
System.out.println("F");
}else{
System.out.println("invalid entry");
}
}
}
package javaapplication1;
import java.util.Scanner;
public class JavaApplication1 {
public static void main(String[] args) {
/* a simple program to calculate the
area and the hypothesys of a rectangle
based on user inputs*/
Scanner bruce= new Scanner(System.in);
System.out.println("\t\tWELCOME TO THE HYPOTHESYS CALCULATOR");
System.out.println("\t************************************");
// accepting input from user
System.out.println("plase kindly enter your name");
String username_input=bruce.next();
// accepting adjecent value from user
System.out.println("please enter value for adjacent");
double adjacent_input=bruce.nextInt();
// accepting opposite value from user
System.out.println("please enter value for opposite");
double opposite_input=bruce.nextInt();
// writing a code to calculate hypothenus
System.out.println(" the calculated hypotenus is\t\n"+
Math.hypot(adjacent_input, opposite_input)+"cm^2");
// a simple code to run result to the nearest whole number
System.out.println("to the nearest whole number\t"+Math.round(Math.hypot(adjacent_input, opposite_input)) +"cm");
//writing a programe to calculate the area of a rectangle
double areacal=0.5*(adjacent_input*opposite_input);
System.out.println("Hello MR/MRS\t"+username_input+"\twith reference "
+ "to your input ..your calculated hypothesis is\t"+areacal+"cm^2");
}
}
package gettinginputfromuser;
import java.util.Scanner;
public class Gettinginputfromuser {
public static void main(String[] args) {
Scanner wow= new Scanner(System.in);
int a,b;
System.out.println("please enter your adjecent value");
a=wow.nextInt();
System.out.println("please enter your oposite value");
b=wow.nextInt();
int a1=a*a;int b1=b*b;int c=a1+b1;
double storeanswer=Math.sqrt(c);
System.out.println("per your entered values.."
+ ".the calculated hypothesis is\t\n\n"+storeanswer+"cm"+" \n\nand it's aproximately "
+ " rounded value to one whole number is\t\n\n"
+ Math.rint(storeanswer)+"cm"+
" \n\nand the calculated area of "
+ "the triangle is\t\n\n"+ 0.5*(a*b)+"cm^2"+"\n");
}
}
public class bruce_algorithm_solution {
public static void main(String [] args) {
int bruce[]= {2,3,4,5,6,7,8,9};
int selorm=bruce[0]++;
for(int justice=0; justice<=bruce.length; justice++) {
selorm+=justice;
if(selorm==bruce[6]) {
System.out.println(selorm);
}
}
// thank you...by bruce..,..........
}
}
Please drop any question in the comment box
source code
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