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)