第一章開發(fā)環(huán) 實(shí)驗(yàn) 第二章標(biāo)識符與關(guān)鍵 實(shí)驗(yàn) 第一個Java應(yīng)用程 實(shí)驗(yàn) import的用 第三章基本數(shù)據(jù)類 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第四章方法初 實(shí)驗(yàn)1方法的使 第五章運(yùn)算符與表達(dá) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第六章分支語 實(shí)驗(yàn) if分支語 實(shí)驗(yàn) if多重嵌套語 實(shí)驗(yàn) switch用 第七章循環(huán)語 實(shí)驗(yàn) for循 實(shí)驗(yàn) while循 實(shí)驗(yàn) do...while循 實(shí)驗(yàn) break跳出多重循 實(shí)驗(yàn) continue的使 第八章一維數(shù) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 實(shí)驗(yàn) 第九章二維數(shù) 實(shí)驗(yàn)1測定數(shù)組的長 JavapublicclassTestpublicstaticvoidpublicclassTestpublicstaticvoidmain(String[]args){}} 第一個Java應(yīng)用程JavapublicclassCommentpublicclassComment//*publicstaticvoidmain(String[]args)//System.out.println("這行將不會被編譯、執(zhí)行}} import的用import//import////import////importpublicclassTestpublicstaticvoidmain(String[]args){Stustu=newStu(100);}}publicclassStu{privateintage;publicpublicclassStu{privateintage;publicStu(intage){this.age=}publicvoidsetAge(intage){this.age=age;}publicintgetAge(){returnage;}} publicclassCharTestpublicclassCharTestpublicstaticvoidmain(String[]args)charc1=charcharc2='你charc3=charc4=System.out.println(c1+c3);}}「 publicclassDataOperpublicclassDataOperpublicstaticvoidmain(String[]args)//intdoubledoubled;inti=123;d=i;System.out.println("d="+//doubleintdoubled1=intj=(int)d1;System.out.println("j="+j);}}d=j= publicclassDataInExpresspublicclassDataInExpresspublicstaticvoidmain(String[]args)shorts=longl=System.out.println("輸出結(jié)果是："+s*byteb=2;charc='a';intd=b+intifloatj=;}} JavapublicclassGlobalVarspublicclassGlobalVarsstaticinta=100;//doubled=12.34;//全局實(shí)例變量（成員變量}}classTestpublicstaticvoidmain(String[]args)//必須實(shí)例化GlobalVars后才可以 GlobalVarsgv=newGlobalVars();}} publicclassGlobalVarpublicclassGlobalVarintpublicvoidtest(){System.out.println(i+10);}publicstaticvoidmain(String[]args){GlobalVargv=newGlobalVar();}}1publicpublicclassDefinedMethod{Stringstr;publicvoidaMethod(){}publicvoidbMethod(Strings){str=s;System.out.println("stris:"+}publicintcMethod(inta,intb)intc=a+return}publicstaticvoidmain(String[]args){DefinedMethoddm=newDefinedMethod(); oworld");inti=dm.cMethod(1,2);}}stris:oworld 0publicclassDivTestpublicclassDivTestpublicstaticvoidmain(String[]args){System.out.println("21.0/0="+21.0/0);System.out.println("21/0="+21/0);}}21.0/0=Exceptioninthread"main"java.lang.ArithmeticException:/byzeroatcom.fs.test.DivTest.main(DivTest.java:7) publicclassModeTestpublicclassModeTestpublicstaticvoidmain(String[]args)inti=while(i<5){i=i%5;System.out.println("i="+i);}}}i=i=i=i=i= publicclassShortCircuitpublicclassShortCircuitpublicbooleanaMethod(){return1<2;//true}publicbooleanbMethod(){return1==2;//false}publicbooleancMethod(){return1>2;//false}publicstaticvoidmain(String[]args)ShortCircuitscnewShortCircuit();System.out.println(sc.aMethod()||sc.bMethod()||System.out.println("System.out.println(sc.aMethod()&&sc.bMethod()&&}} 掌握簡單類型數(shù)據(jù)和類型數(shù)據(jù)的賦值操public privateint (int_age){age=_age;}publicvoidsetAge(int_age){age=_age;}publicintgetAge()return}}publicclassTestpublicclassTestpublicstaticvoidmain(String[]args)inta,b=a=b=System.out.println("a="+a);System.out.println("b="+p1=p2=p1;System.out.println("p1ageis:"+System.out.println("p2ageis:"+}}a=b=p1ageis:111p2ageis: publicclassStringPluspublicclassStringPluspublicstaticvoidmain(String[]args)doublex=9.99;doubley=1;doublez=x+y;Strings="Priceis:"+x;Stringt="TotalPriceis:"+z;System.out.println(""+x+y);System.out.println(x+y+"");}}Priceis:TotalPriceis:10.99 if分支語ifpublicclassTest publicstaticvoidpublicstaticvoidmain(String[]args)inta=10;intb=5;if(a>b){System.out.println("比較結(jié)果是：a>}elseSystem.out.println("比較結(jié)果是：a<}}}比較結(jié)果是：a if多重嵌套語ifpublicclassTestpublicclassTestpublicstaticvoidtestMethod(inta,intb,intc)if(a>b)if(a>c)System.out.println("a是最大的}elseif(a<c){System.out.println("b<a<c");}elseSystem.out.println("b<a=}}elseif(a<b)if(a>c)System.out.println("c<a<}elseif(a<c){}elseSystem.out.println("a=c<}}elseifif(a>c)System.out.println("c是最小的}elseif(a<c){System.out.println("a=b<c");}elseSystem.out.println("a=b=}}}publicstaticvoidmain(String[]args)testMethod(20,5,}}b<a< switch用switchpublicclassSwitchCaseDemopublicclassSwitchCaseDemopublicstaticvoidtestMethod(inta)intresult=0;switch(a){case1:System.out.println("ThisisA");result=a;case2:System.out.println("ThisisB");result=a*a;case3:System.out.println("ThisisC");result=a*a*a;case4:System.out.println("thisisD");result=a%4;result=}System.out.println("a="+a+"result="+}publicstaticvoidmain(String[]args)}}Thisisa= result= for循forpublicclassTestpublicclassTestpublicstaticvoidmain(String[]args)for(inti=0;i<10;i++){System.out.println("i="+i);}}}i=i=i=i=i=i=i=i=i=i= while循whilepublicclassTestpublicclassTestpublicstaticvoidmain(String[]args)inti=while(i<10){System.out.println("i="+i);}}}i=i=i=i=i=i=i=i=i=i= do...while循do...whilepublicclassTestpublicclassTestpublicstaticvoidmain(String[]args)inti=doSystem.out.println("i="+i);}while(i<}}i=i=i=i=i=i=i=i=i=i= 掌握break與結(jié)合的使publicclassTestpublicclassTestpublicstaticvoidmain(String[]args) for(inti=1;i<10;i++)forfor(intj=1;j<5;j++){System.out.println("i*j="+i*j);if(j==3)breakouter;//根 跳出循}}}}i*j=1i*j=2i*j= continue的使breakcontinuepublicclassTestpublicclassTestpublicstaticvoidmain(String[]args){for(inti=1;i<5;i++)for(intj=1;j<3;j++){System.out.println(i+"*"+j+"="+i*j);continueouter;//根據(jù) }}}}1*1=2*1=3*1=4*1= publicclassTestpublicclassTestpublicstaticvoidmain(String[]args)int[]a=newint[5];a[0]=1;a[1]=a[2]=a[3]=a[4]=for(inti=0;i<a.length;i++){}}} publicclassTestpublicclassTestpublicstaticvoidmain(String[]args)int[]a=newint[]b=for(inti=0;i<a.length;i++)}for(inti=0;i<b.length;i++){}}} JavapublicclassTestpublicclassTestpublicstaticvoidsortMethod(int[]a){for(inti=0;i<a.length;i++){System.out.print(a[i]+"");}}publicstaticvoidmain(String[]args)int[]array=}}4910122945 JavapublicclassTestpublicclassTestpublicstaticvoidfindMethod(int[]a,intb){for(inti=0;i<a.length;i++){System.out.print(a[i]+"");}intres=Arrays.binarySearch(a,b);System.out.println("該元素的位置是：res);}publicstaticvoidmain(String[]args)int[]array=findMethod(array,}}4910122945 JavapublicclassTestpublicclassTestpublicstaticvoidmethod(Strings,String...name)for(inti=0;i<name.length;i++){}}pu