Question

零点一零点二零点三零点四零点五中间加上五个运算符号怎么等于零

Answer 1

夜里零点这样表示：00:00:00
零点零分零秒
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Answer 2

java.lang.IllegalStateException: No modifications are allowed to a locked ParameterMap。网上查了一些资料，解决方案是使用Wrapper,重写HttpServletRequestWrapper,如下:
Java代码 收藏代码
package com.gdcn.bpaf.security.yale;

import java.util.Enumeration;
import java.util.Map;
import java.util.Vector;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

@SuppressWarnings("unchecked")
public class ParameterRequestWrapper extends HttpServletRequestWrapper {

private Map params;

public ParameterRequestWrapper(HttpServletRequest request, Map newParams) {
super(request);
this.params = newParams;
}

public Map getParameterMap() {
return params;
}

public Enumeration getParameterNames() {
Vector l = new Vector(params.keySet());
return l.elements();

Answer 3

(0.1+ 0.2 - 0.3) * 0.4 * 0.5