代码如下:class TestObject {
private int i;
}public class JVM {
public static void main(String[] args) throws Exception {
for (int i = 0; true; i++) {
TestObject to = new TestObject();
}
}
}JVM 参数:
-Xmx100m
-Xms100m
-XX:+PrintGC
-XX:+PrintGCDetails
为什么执行后不会打印gc信息?如果我把TestObject 改成class TestObject {
private byte [] ii;
public TestObject (){
ii =new byte[1];
}}
则可以打印gc信息
private int i;
}public class JVM {
public static void main(String[] args) throws Exception {
for (int i = 0; true; i++) {
TestObject to = new TestObject();
}
}
}JVM 参数:
-Xmx100m
-Xms100m
-XX:+PrintGC
-XX:+PrintGCDetails
为什么执行后不会打印gc信息?如果我把TestObject 改成class TestObject {
private byte [] ii;
public TestObject (){
ii =new byte[1];
}}
则可以打印gc信息
for (int i=0 ; i<100;i++) {
TestObject obj = new TestObject();
} for (int i=0 ; i<100;i++) {
TestObject1 obj = new TestObject1();
}
}
}D:\workspace\testspace\dist>javap tttt
Compiled from "Tttt.java"
public class Tttt extends java.lang.Object{
public Tttt();
public static void main(java.lang.String[]);
}