java語言程序設(shè)計基礎(chǔ)篇第二章程序練習(xí)題答案

java語言程序設(shè)計基礎(chǔ)篇第二章程序

練習(xí)題答案12.1（將攝氏溫度轉(zhuǎn)化為華氏溫度）importjava.util.*;publicclasstest{publicstaticvoidmain(String[] args){//TODGAuto-generatedmethodstubScannerinput=newScanner(System.in);System.out.print("Enteradegreeincelsius:"double);Celsius=input.nextDouble();doubleFahrenheitFahrenheit=(9.0/5)*Celsius+32;System.out.println(Celsius+"Celsiusis"Fahrenheit+"Fahrenheit");}(計算圓柱體的體積)importjava.util.*;publicclasstest{2publicstaticvoidmain(String[] args){IITODGAuto-generatedmethodstubScannerinput=newScanner(System.in);System.out.print("Entertheradiusandlengthofacylinder:" );doubleradius=input.nextDouble();doublelength二input.nextDouble();doublearea=radius*radius*Math.PI;doublevolume=area*length;System.out.println("Theareais" +area);System.out.println("Thevolumeis" +volume);}}(將英尺轉(zhuǎn)換為米)importjava.util.Scanner;publicclasstest{publicstaticvoidmain(String[] args){3//TODGAuto-generatedmethodstubSeannerinput=newSeanner(System.in);System.out.print("Enteravalueforfeet:" );doublefeet=input.nextDouble();doublemeters=feet*0.305;System.out.println(feet+"feetis" +meters+"meters");}(將磅轉(zhuǎn)換為千克)importjava.util.Seanner;publicclasstest{publicstaticvoidmain(String[] args){//TODOAuto-generatedmethodstubScannerinput=newScanner(System.in);System.out.print("Enteranumberinpounds:" );doublepounds=input.nextDouble();doublekilograms=pounds*0.454;4System.out.println(pounds+"poundsis" +kilograms+"kilograms");}(財務(wù)應(yīng)用程序：計算消費)importjava.util.Scanner;publicclasstest{publicstaticvoidmain(String[] args){//TODGAuto-generatedmethodstubScannerinput=newScanner(System.in);System.out.print("Enterthesubtotalandgratuityrate:");doublesubtotal=input.nextDouble();doubleGratuity=input.nextDouble();doublegratuity|=subtotal*Gratuity*0.01;doubletotal=gra