【简答题】在下列E类中【代码】输出结果是_____. import java.awt.*; import java.awt..*; public class E implements Runnable { StringBuffer buffer=new StringBuffer(); Thread t1,t2; E() { t1=new Thread(this); t2=new Thread(t...
【单选题】在下列E类中【代码】输出结果是_____. import java.awt.*; import java.awt.event.*; public class E implements Runnable { StringBuffer buffer=new StringBuffer(); Thread t1,t2; E() { t1=new Thread(this); t2=new Thread(t...
【判断题】oracle 数据库系统中,启动数据库和第一步是挂载数据库。