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double ceshidouble = 21.23;
String qiulinhe = "34.343434";
ceshidouble = Double.valueOf(qiulinhe.toString());//è¿è¡è½¬æ¢ï¼å¦æstringæ¬èº«æ¯å
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double ceshidouble2=223.23;
String qiulinhe2="34.æµè¯è½¬æ¢é误";
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public static void main(String[] args) {
double s=123456789.50;
DecimalFormat format = new DecimalFormat("#.00");
String sMoney = format.format(s);//è¿è¡æ ¼å¼åå¤çï¼å°double转æ¢æstringç±»å
System.out.println(sMoney);
}
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