这个可以不?public class Test { DecimalFormat df = new DecimalFormat("#.0000"); double a = 55557567.26869555555555; double b = 3055567567.435345456; String ab = df.format(a * b); public Test() { System.out.print("ab=" + ab); } public static void main(String[] args) { Test test1 = new Test(); } }
DecimalFormat df = new DecimalFormat("#.0000");
double a = 55557567.26869555555555;
double b = 3055567567.435345456;
String ab = df.format(a * b);
public Test() {
System.out.print("ab=" + ab);
} public static void main(String[] args) {
Test test1 = new Test();
}
}