最大堆大小xmx如何影響Java中的內存分配/使用堆? [英]How does maximum heap size xmx influence the memory allocation / used heap in Java?
Java 程序如何跟蹤其運行期間使用的最大實際堆大小? [英]How can a Java program keep track of the maximum actual heap size used during its run?
如何測量C/C++/Java程序在執行過程中使用的memory? [英]How to measure the memory used by C/C++/Java Program while during execution?