String字符串性能优化的几种方案( 十 )

//*   9   14:bipush          10//*  10   16:icmpge          55s = (new StringBuilder()).append(s).append(rand.nextInt(1000)).append(\" \").toString();//   11   19:new             #5   <Class StringBuilder>//   12   22:dup//   13   23:invokespecial   #6   <Method void StringBuilder()>//   14   26:aload_1//   15   27:invokevirtual   #7   <Method StringBuilder StringBuilder.append(String)>//   16   30:aload_2//   17   31:sipush          1000//   18   34:invokevirtual   #8   <Method int Random.nextInt(int)>//   19   37:invokevirtual   #9   <Method StringBuilder StringBuilder.append(int)>

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