int times = 10000000; Byte[] li = new Byte[times]; for (int i = 0; i < times; i++) { li[i] = (byte) i; } long timeA ...
int times = 10000000; Byte[] li = new Byte[times]; for (int i = 0; i < times; i++) { li[i] = (byte) i; } long timeA = System.currentTimeMillis(); for (int i = 0; i < times; i++) { li[i].toString(); } long timeB = System.currentTimeMillis(); for (int i = 0; i < times; i++) { String.valueOf(li[i]); } long timeC = System.currentTimeMillis(); System.out.println("A方法耗时：" + (timeB - timeA)); System.out.println("B方法耗时：" + (timeC - timeB)); if (timeB - timeA > timeC - timeB) { System.out.println("B方法好"); } else { System.out.println("A方法好"); }
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原标题：java Byte.toString 方法与String.ValueOf(Byte)效率比较
关键词：JAVA
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