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ID:55174823
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页数:76页
时间:2020-04-30
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1、程序填空,不要改变与输入输出有关的语句。输入1个实数x,计算并输出其平方根。例:输入1.21输出Thesquarerootof1.21is1.1importjava.io.*;importjava.util.Scanner;publicclassTest20002{publicstaticvoidmain(Stringargs[]){doublex,root;Scannerin=newScanner(System.in);x=in.nextDouble();/*------------------*/System.out.println("Thesqua
2、rerootof"+x+"is"+root);}}______________________________________________________________________答案:importjava.io.*;importjava.util.Scanner;publicclassTest20002{publicstaticvoidmain(Stringargs[]){doublex,root;Scannerin=newScanner(System.in);x=in.nextDouble();/*------------------*/r
3、oot=Math.sqrt(x);System.out.println("Thesquarerootof"+x+"is"+root);}}程序填空,不要改变与输入输出有关的语句。输入华氏温度f,计算并输出相应的摄氏温度c。c=5/9(f-32).例:括号内是说明输入17.2(华氏温度)输出Thetempratureis-8.2223importjava.util.Scanner;publicclassTest20003{publicstaticvoidmain(String[]args){Scannerin=newScanner(System.in);d
4、oublef,c;f=in.nextDouble();/*------------------*/System.out.println("Thetempratureis"+c);}}___________________________________________________________________答案:importjava.util.Scanner;publicclassTest20003{publicstaticvoidmain(String[]args){Scannerin=newScanner(System.in);doublef
5、,c;f=in.nextDouble();/*------------------*/c=5*(f-32.0)/9;System.out.println("Thetempratureis"+c);}}程序填空,不要改变与输入输出有关的语句。输入2个整数time1和time2,表示火车的出发时间和到达时间,计算并输出旅途时间。有效的时间范围是0000到2359,不需要考虑出发时间晚于到达时间的情况。例:括号内是说明输入7121411(出发时间是7:10,到达时间是14:11)输出Thetrainjourneytimeis6hrs59mins.importj
6、ava.util.Scanner;publicclassTest20004{publicstaticvoidmain(String[]args){Scannerin=newScanner(System.in);inttime1,time2,hours,mins;time1=in.nextInt();time2=in.nextInt();/*------------------*/System.out.println("Thetrainjourneytimeis"+hours+"hrs"+mins+"mins.");}}__________________
7、____________________________________________________________答案:importjava.util.Scanner;publicclassTest20004{publicstaticvoidmain(String[]args){Scannerin=newScanner(System.in);inttime1,time2,hours,mins;time1=in.nextInt();time2=in.nextInt();/*------------------*/time1=(time1/100)*6
8、0+time1%100;time2=(time2/100)*60+time2%1
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