Main.java
Java Core 2017
Main.java
Java Core 2017
Main.java
Java Core 2017
Main.java
Java Core 2017
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Static block là gì
package demoblockcode;
public class Main {
public static void main[String[] args] {
// Case 1
try {
Class.forName["demoblockcode.a"];
} catch [ClassNotFoundException e] {
e.printStackTrace[];
}
// Case 2
// a a = new a[];
// Thi se chay block code Block code giong nhu 1 constructor
// new a[];
}
}
class a {
{
// Block code
System.out.println["Hello"];
}
static {
// Static block code
System.out.println["Hallo"];
}
}
package demoblockcode;
public class Main {
public static void main[String[] args] {
// Case 1
// try {
// Class.forName["demoblockcode.a"];
// } catch [ClassNotFoundException e] {
// e.printStackTrace[];
// }
// Case 2
a a = new a[];
// Thi se chay block code Block code giong nhu 1 constructor
// new a[];
}
}
class a {
{
// Block code
System.out.println["Hello"];
}
static {
// Static block code
System.out.println["Hallo"];
}
}
package demoblockcode;
public class Main {
public static void main[String[] args] {
// Case 1
//try {
// Class.forName["demoblockcode.a"];
//} catch [ClassNotFoundException e] {
// e.printStackTrace[];
//}
// Case 2
//a a = new a[];
// thi se chay block code Block code giong nhu 1 constructor Case 3
new a[];
}
}
class a {
{
// Block code
System.out.println["Hello"];
}
static {
// Static block code
System.out.println["Hallo"];
}
}
package demoblockcode;
public class Main {
public static void main[String[] args] {
{
System.out.println["Hello"];
}
}
static {
System.out.println["Hallo"];
}
}