Android Java生成随机数的方法

Android Java生成随机数的方法

此方法通过把当前时刻长整型数传给Random对象，让它产生的值随着时间而变化。

 

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Strings = ""; 
Random ran =new Random(System.currentTimeMillis()); 
for (inti = 0; i < 10; i++) { 
s =s + "\n" + ran.nextInt(100); 
} 
Toast.makeText(UiTestActivity.this,"Random: \n" + s, Toast.LENGTH_LONG).show(); 
Strings = "";
Random ran =new Random(System.currentTimeMillis());
for (inti = 0; i < 10; i++) {
s =s + "\n" + ran.nextInt(100);
}
Toast.makeText(UiTestActivity.this,"Random: \n" + s, Toast.LENGTH_LONG).show();

 

摘自 michaelpp的专栏