62,615
社区成员
发帖
与我相关
我的任务
分享
System.out.println(System.getProperty("java.version"));
System.out.println(System.currentTimeMillis());
System.out.println(new java.util.Date());
for(int i=0;i<1000000000;i++){
String str = new String("");
}
System.out.println(System.currentTimeMillis());
System.out.println(new java.util.Date());
System.out.println("----------------------");
System.out.println(System.currentTimeMillis());
System.out.println(new java.util.Date());
for(int i=0; i<1000000000;i++){
StringBuffer str = new StringBuffer("");
}
System.out.println(System.currentTimeMillis());
System.out.println(new java.util.Date());
System.out.println("----------------------");
System.out.println(System.currentTimeMillis());
System.out.println(new java.util.Date());
for(int i=0; i<1000000000;i++){
test1 t = new test1();
}
System.out.println(System.currentTimeMillis());
System.out.println(new java.util.Date());
public StringBuffer() {
super(16);
}
AbstractStringBuilder(int capacity) {
value = new char[capacity];
}
public String() {
this.offset = 0;
this.count = 0;
this.value = new char[0];
}