HeapWord* GenCollectedHeap::expand_heap_and_allocate(size_tsize,boolis_tlab) { HeapWord* result =NULL;if(_old_gen->should_allocate(size, is_tlab)) { result = _old_gen->expand_and_allocate(size, is_tlab); }if(result ==NULL) {if(_young_gen->should_allocate(size, is_tlab)) { re...
If value is a string with spaces, then enclose it in quotation marks (for example -Dfoo="foo bar"). -d32 Runs the application in a 32-bit environment. If a 32-bit environment is not installed or is not supported, then an error will be reported. By default, the application is run...
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completableFuture.complete("Future's Result") 所有等待这个 Future 的客户端都将得到一个指定的结果,并且completableFuture.complete()之后的调用将被忽略。 2. 使用runAsync()运行异步计算 如果你想异步的运行一个后台任务并且不想改任务返回任务东西,这时候可以使用CompletableFuture.runAsync()方法,它持有一个Runnable...
;log.print("metadata initialized %d",MetaspaceGC::should_concurrent_collect());}// ---// If the estimated time to complete a cms collection (cms_duration())// is less than the estimated time remaining until the cms generation// is full, start a collection.if(!UseCMSInitiatingOccupancyOnly...
RefProcPhase2Task phase2(*this, refs_lists, !discovery_is_atomic() /*marks_oops_alive*/); task_executor->execute(phase2); } else { for (uint i = 0; i < _max_num_q; i++) { process_phase2(refs_lists[i], is_alive, keep_alive, complete_gc); ...
1. What is inheritance in Java? Inheritance in Java is a mechanism where a subclass derives properties and behaviors from a parent class, allowing for code reuse and hierarchical structuring. You can read more about inheritance in this tutorial onInheritance in Java. ...
It is an error if there is a class on the application class path whose name is the same as that of the class to be executed. SeeJEP 330: Launch Single-File Source-Code Programsfor complete details. Using the JDK_JAVA_OPTIONS Launcher Environment Variable ...
A complete learning platform for java programming from scratch to advanced and practicing programming's. it has an inbuilt compiler, different sectional of programs and concepts to learn like advanced programs, easy programs, moderate level programs, data structures , oops concepts, matrix, pattern pr...
discovery_is_atomic() /*marks_oops_alive*/); task_executor->execute(phase2); } else { for (uint i = 0; i < _max_num_q; i++) { process_phase2(refs_lists[i], is_alive, keep_alive, complete_gc); } } // Phase 3: // 根据clear_referent的值决定是否将不存活对象回收 if (mt...