1packagecodeTask_FangFa;2//5.30 双素数就是两个相差为2的素数。程序显示所有小于1000的双素数。按照格式显示。3publicclassShuangSuShu {4publicstaticvoidmain(String[] args){//所谓的主方法；5intnumber = 3;6intfirst = 2;7System.out.PRintln("前1000以内的双素数为：");8while(number<1000){9if(isSuShu(number)){10intsecond =number;11if(second-first==2){12System.out.println("( "+first+","+second+" )");13}14first=second;15}16number++;17}18}1920publicstaticbooleanisSuShu(intnumber){//判断下是否是素数；21for(intdivisor=2;divisor<=number/2;divisor++){22if(number%divisor==0)23returnfalse;24}25returntrue;26}2728}