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object Test extends AnyRef with Application {
val x = 1;
def try1 = {
Console.print("1 + 1 = ");
Console.println(1 + (
try {
x;
} catch {
case _: Error => 1;
}
));
}
def try2 = {
Console.print("1 + 1 = ");
Console.println(
(try { x } catch {
case _: Error => 1;
})
+
(try { x } catch {
case _: Error => 1;
})
);
}
var n = 0;
def try3 = {
Console.print("1 + 1 = ");
val x = try { 1 } catch {
case e: Error => 1;
}
this.n = try { 1 } catch {
case e: Error => 1;
}
Console.println(x + n);
}
var instance: AnyRef = null;
def try4 = {
if (instance == null) {
instance = try {
"" //new String();
} catch {
case _ =>
val cs = "aaa";
if (cs.length() > 0) {
"" //new String();
} else {
throw new Error("fatal error");
null
}
}
}
}
def try5 = try {
Console.print("1 + 1 = ");
try {
if (true)
error("exit");
1+1;
()
} catch {
case _ =>
Console.println("2");
error("for good");
}
Console.println("a");
} catch {
case _ => ();
}
class A {
private val result = {
val y = try { x } catch {
case _: Error => 1;
};
x + y
}
Console.print("1 + 1 = ");
Console.println(result);
}
/*
def finally1 = {
Console.print("1 + 1 = ");
Console.println(1 + (
try {
x
} finally {
()
}
));
}
*/
try1;
try2;
try3;
try4;
try5;
Console.println;
new A();
()
}
|