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このデータには、現在のヒープ・サイズ、収集したオブジェクトの数とサイズ、ヒープ内のオブジェクト数、コレクターの実行時間、その他の情報があります。

verbose GC出力のサンプル：

 
GC 4: starting collection, threshold allocation reached.
GC 4: live objects 2562187; collected objects 4936351; collected (KB) 541840.
GC 4: queued for finalization 0; total soft references 92; cleared soft references 5.
GC 4: current heap (KB) 1171424; current threshold (KB) 524288.
GC 4: collect (milliseconds) 4138.
GC 4: current cycle allocation (KB) 236160; previous cycle allocation (KB) 524314.
GC 4: total weak references 684; cleared weak references 0.
GC 4: total final references 11797; cleared final references 63.
GC 4: total phantom references 0; cleared phantom references 0.
GC 4: total old soft references 0; cleared old soft references 0.
 

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