Java code example (5)

1 /**2 * Demand Analysis: Input 5 students from the keyboard to a certain course of the written test results, and to find out five results of the overall score and average score3  * @authorChenyanlong4 * Date: 2017/10/145  */6  Packagecom.hp.test05;7 8 ImportJava.util.Scanner;9 Ten  Public classHs_array1 { One  A      Public Static voidMain (string[] args) { -         //TODO auto-generated Method Stub -System.out.println ("Please enter the written results of 5 students:"); the          -         DoubleSum=0; -         Doubleavg; -         int[] scores =New int[6]; +Scanner input=NewScanner (system.in); -         //Enter 5 results +          for(inti=0;i<5;i++){ A              atscores[i]=input.nextint (); -         } -         //sum -          for(intj=0;j<5;j++){ -sum=sum+Scores[j]; -         } inSystem.out.println ("Total:" +sum); -         //Average score toAvg=sum/5; +System.out.println ("Average score:" +avg);  -     } the}

1 /**2 * Requirements Analysis: Input from the keyboard 5 students a course of written test results,3 * and to find the highest score, the lowest score and the average score of five results4  * @authorChenyanlong5 * Date: 2017/10/146  */7  Packagecom.hp.test05;8 9 ImportJava.util.Scanner;Ten  One  Public classHs_array2 { A  -      Public Static voidMain (string[] args) { -          the         int[] scores=New int[5]; -         intSum=0; -        -         Doubleavg; +System.out.println ("Please enter 5 results"); -          +Scanner input=NewScanner (system.in); A          for(inti=0;i<scores.length;i++){            atscores[i]=input.nextint (); -         } -         //Total , highest score, lowest score -         intMax=scores[0]; -         intMin=scores[0]; -          for(intj=0;j<scores.length;j++){ in             // Total -Sum + =Scores[j]; to             //Minimum score +             if(scores[j]<min) { -min=Scores[j]; the             } *             //Minimum score $             if(scores[j]>max) {Panax Notoginsengmax=Scores[j]; -             } the         } +avg=sum/scores.length; ASystem.out.println ("Total:" +sum); theSystem.out.println ("Highest score:" +max); +System.out.println ("Lowest score:" +min); -System.out.println ("Average score:" +avg); $              $     } -}

1 /**2 * Demand Analysis: Use a two-dimensional array to store three class students ' scores and calculate the total score of three class students3  * @authorChenyanlong4 * Date: 2017/10/145  */6  Packagecom.hp.test05;7 8 Importjava.util.Arrays;9 ImportJava.util.Scanner;Ten  One  Public classHs_array3 { A  -      Public Static voidMain (string[] args) { -          the         int[] array=New int[][]{{2,1},{2,1,3},{2,1}}; -          for(inti=0;i<array.length;i++){ -String str= (i+1) + "class"; - Arrays.sort (Array[i]); +System.out.println (str+ "after sorting"); -              for(intj=0;j<array[i].length;j++){ + System.out.println (Array[i][j]); A             } at         } -     } -}

1 /**2 * Demand Analysis: Use a two-dimensional array to store three class students ' scores, and to sort the scores of three class students3  * @authorChenyanlong4 * Date: 2017/10/145  */6  Packagecom.hp.test05;7 8 ImportJava.util.Scanner;9 Ten  Public classHs_array4 { One  A      Public Static voidMain (string[] args) { -          -         int[] array=New int[][]{{1,2},{1,2,3},{1,2}}; the          -          for(inti=0;i<array.length;i++){ -String str= (i+1) + "class"; -             intTotal=0; +              for(intj=0;j<array[i].length;j++){ -Total +=array[i][j];//Score Summary +             } ASystem.out.println (str+ "total:" +Total ); at         } -          -         -     } -}

Java code example (5)