617 * @see java.lang.SecurityException
618 * @see java.lang.SecurityManager#checkPropertiesAccess()
619 * @see java.util.Properties
620 */
621 public static Properties getProperties() {
622 SecurityManager sm = getSecurityManager();
623 if (sm != null) {
624 sm.checkPropertiesAccess();
625 }
626
627 return props;
628 }
629
630 /**
631 * Returns the system-dependent line separator string. It always
632 * returns the same value - the initial value of the {@linkplain
633 * #getProperty(String) system property} {@code line.separator}.
634 *
635 * <p>On UNIX systems, it returns {@code "\n"}; on Microsoft
636 * Windows systems it returns {@code "\r\n"}.
637 * @since 1.7
638 */
639 public static String lineSeparator() {
640 return lineSeparator;
641 }
642
643 private static String lineSeparator;
644
645 /**
646 * Sets the system properties to the <code>Properties</code>
647 * argument.
648 * <p>
649 * First, if there is a security manager, its
650 * <code>checkPropertiesAccess</code> method is called with no
651 * arguments. This may result in a security exception.
652 * <p>
653 * The argument becomes the current set of system properties for use
654 * by the {@link #getProperty(String)} method. If the argument is
655 * <code>null</code>, then the current set of system properties is
656 * forgotten.
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617 * @see java.lang.SecurityException
618 * @see java.lang.SecurityManager#checkPropertiesAccess()
619 * @see java.util.Properties
620 */
621 public static Properties getProperties() {
622 SecurityManager sm = getSecurityManager();
623 if (sm != null) {
624 sm.checkPropertiesAccess();
625 }
626
627 return props;
628 }
629
630 /**
631 * Returns the system-dependent line separator string. It always
632 * returns the same value - the initial value of the {@linkplain
633 * #getProperty(String) system property} {@code line.separator}.
634 *
635 * <p>On UNIX systems, it returns {@code "\n"}; on Microsoft
636 * Windows systems it returns {@code "\r\n"}.
637 *
638 * @return the system-dependent line separator string
639 * @since 1.7
640 */
641 public static String lineSeparator() {
642 return lineSeparator;
643 }
644
645 private static String lineSeparator;
646
647 /**
648 * Sets the system properties to the <code>Properties</code>
649 * argument.
650 * <p>
651 * First, if there is a security manager, its
652 * <code>checkPropertiesAccess</code> method is called with no
653 * arguments. This may result in a security exception.
654 * <p>
655 * The argument becomes the current set of system properties for use
656 * by the {@link #getProperty(String)} method. If the argument is
657 * <code>null</code>, then the current set of system properties is
658 * forgotten.
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